Algebra II Semester 2 Practice Final _9 Pages

ID: AID: A94. Subtract if possible.442 5a − 6 5a4a. −20 5a4b. 8 5ac.4−4 5ad. not possible to simplify95. Simplify.120 212⋅ 201a.420b. 20c. 20d. 13896. Write the exponential expression 3x in radicalform.8a. 3 x 38b. 3x 33c. 3 x 8d. 338 8x 397. Solve the equation.2( x − 7)3 = 4a. 11b. 15; –1c. –3d. 1; –198. Solve the equation.11( −2x + 6)5 = ( −8 + 10x)5a.76b.23c. − 1 4d.6799. Let f(x) = −3x − 6 and g(x) = 5x + 2. Find f(x) +g(x).a. 2x – 4b. –8x – 8c. –8x – 4d. 2x – 8100. Let f(x) = x 2 + 2x − 1 and g(x) = 2x − 4. Find2f(x) – 3g(x).a. 2x 2 − 2x − 14b. −3x 2 − 2x − 1c. 2x 2 − 2x + 10d. −3x 2 − 2x − 7101. Let f(x) = x 2 + 6 and g(x) = x + 8 . FindxÊËÁ g û f ˆ¯˜ ( −7).a. − 557b.3847c.29549d.6355102. Find the inverse of y = 7x 2 − 3.a. y =±x + 37b. x =y + 37c. y 2 = x − 37d. y =±x − 37103. For the function f(x) = x + 9, find (f û f −1 )(5).a. 14b. 5c. –5d. 25104. Let f(x) = 4 + 5x and g(x) = 2x − 1. Find f(g(x))and g(f(x)).a. f(g(x)) = 10x – 1; g(f(x)) = 10x + 7b. f(g(x)) = 7x + 3; g(f(x)) = 10x + 7c. f(g(x)) = –7x – 3; g(f(x)) = –10x + 7d. f(g(x)) = –10x – 7; g(f(x)) = 7x + 3106. Graph the function.y = x + 3a. c.b. d.107. Classify –3x 5 – 2x 3 by degree and by number ofterms.a. quintic binomialb. quartic binomialc. quintic trinomiald. quartic trinomial105. Evaluate the logarithm.1log 3243a. –4b. 3c. –5d. 5108. Classify –7x 5 – 6x 4 + 4x 3 by degree and by numberof terms.a. quartic trinomialb. quintic trinomialc. cubic binomiald. quadratic binomial1516