MATHEMATICAL PROCESS EXPECTATIONSThe mathematical processes are to be integrated into student learning in all areas of this course.Throughout this course, students will:Problem SolvingReasoning andProvingReflecting• develop, select, apply, compare, and adapt a variety of problem-solvingstrategies as they pose and solve problems and conduct investigations, tohelp deepen their mathematical understanding;• develop and apply reasoning skills (e.g., use of inductive reasoning, deductivereasoning, and counter-examples; construction of proofs) to make mathematicalconjectures, assess conjectures, and justify conclusions, and plan and constructorganized mathematical arguments;• demonstrate that they are reflecting on and monitoring their thinking tohelp clarify their understanding as they complete an investigation or solve aproblem (e.g., by assessing the effectiveness of strategies and processes used,by proposing alternative approaches, by judging the reasonableness of results,by verifying solutions);Selecting Tools andComputationalStrategies• select and use a variety of concrete, visual, and electronic learning tools andappropriate computational strategies to investigate mathematical ideas andto solve problems;ConnectingRepresentingCommunicating• make connections among mathematical concepts and procedures, and relatemathematical ideas to situations or phenomena drawn from other contexts(e.g., other curriculum areas, daily life, current events, art and culture, sports);• create a variety of representations of mathematical ideas (e.g., numeric,geometric, algebraic, graphical, pictorial representations; onscreen dynamicrepresentations), connect and compare them, and select and apply theappropriate representations to solve problems;• communicate mathematical thinking orally, visually, and in writing, using precisemathematical vocabulary and a variety of appropriate representations, andobserving mathematical conventions.44
A. CHARACTERISTICS OF FUNCTIONSOVERALL EXPECTATIONSBy the end of this course, students will:1. demonstrate an understanding of functions, their representations, and their inverses, and makeconnections between the algebraic and graphical representations of functions using transformations;2. determine the zeros and the maximum or minimum of a quadratic function, and solve problemsinvolving quadratic functions, including problems arising from real-world applications;3. demonstrate an understanding of equivalence as it relates to simplifying polynomial, radical, andrational expressions.FunctionsSPECIFIC EXPECTATIONS1. Representing FunctionsBy the end of this course, students will:1.1 explain the meaning of the term function, anddistinguish a function from a relation that isnot a function, through investigation of linearand quadratic relations using a variety of representations(i.e., tables of values, mapping diagrams,graphs, function machines, equations)and strategies (e.g., identifying a one-to-oneor many-to-one mapping; using the verticallinetest)Sample problem: Investigate, using numericand graphical representations, whether the2relation x = y is a function, and justify yourreasoning.1.2 represent linear and quadratic functions usingfunction notation, given their equations, tablesof values, or graphs, and substitute into andevaluate functions [e.g., evaluate f (1 ) , given22f(x) = 2x + 3x – 1]1.3 explain the meanings of the terms domainand range, through investigation using numeric,graphical, and algebraic representations of2the functions f(x) = x, f(x) = x , f(x) = √x,1and f(x) = ; describe the domain and range ofx2a function appropriately (e.g., for y = x + 1,the domain is the set of real numbers, and theSample problem: A quadratic function representsthe relationship between the heightrange is y ≥ 1); and explain any restrictions onthe domain and range in contexts arising fromof a ball and the time elapsed since the ballreal-world applicationswas thrown. What physical factors willSample problem: A quadratic function representsthe relationship between the heightof a ball and the time elapsed since the ballwas thrown. What physical factors willrestrict the domain and range of the quadraticfunction?1.4 relate the process of determining the inverseof a function to their understanding ofreverse processes (e.g., applying inverseoperations)1.5 determine the numeric or graphical representationof the inverse of a linear or quadraticfunction, given the numeric, graphical, oralgebraic representation of the function, andmake connections, through investigationusing a variety of tools (e.g., graphing technology,Mira, tracing paper), between thegraph of a function and the graph of itsinverse (e.g., the graph of the inverse is thereflection of the graph of the function in theline y = x)Sample problem: Given a graph and a table ofvalues representing population over time,produce a table of values for the inverse andgraph the inverse on a new set of axes.1.6 determine, through investigation, the relationshipbetween the domain and range of a functionand the domain and range of the inverserelation, and determine whether or not theinverse relation is a functionSample problem: Given the graph of f(x) = x ,graph the inverse relation. Compare the domainand range of the function with the domain2MCR3UCHARACTERISTICS OF FUNCTIONS45
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The Ministry of Education wishes to