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Exam 3 245 practice Disclaimer. The actual test does not mirror this ...

Exam 3 245 practice Disclaimer. The actual test does not mirror this ...

Exam 3 245 practice Disclaimer. The actual test does not mirror this ...

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For the function as defined that is one-to-one, graph f and f-1 on the same axes.<br />

52) f(x) = 7 x<br />

52)<br />

10<br />

y<br />

5<br />

-10 -5 5 10<br />

x<br />

-5<br />

-10<br />

For the polynomial, one zero is given. Find all others.<br />

53) P(x) = x 3 - 3x 2 - 5x + 39; -3 53)<br />

Use the factor theorem to decide whether or <strong>not</strong> the second polynomial is a factor of the first.<br />

54) 3x 2 - 3x + 18; x - 2 54)<br />

Find the domain and range of the inverse of the given function.<br />

55) f(x) = x - 9 55)<br />

Give all possible rational zeros for the following polynomial.<br />

56) P(x) = 2x 3 - 5x 2 + 7x - 23 56)<br />

Factor f(x) into linear factors given that k is a zero of f(x).<br />

57) f(x) = x3 - 2x2 - 36x + 72 ; k = 6 57)<br />

Give all possible rational zeros for the following polynomial.<br />

58) P(x) = x 3 - 9x 2 + 7x - 24 58)<br />

Find all rational zeros and factor f(x).<br />

59) f(x) = 4x3 - 28x2 - x + 7 59)<br />

Factor f(x) into linear factors given that k is a zero of f(x).<br />

60) f(x) = x 3 - 48x - 128; k = -4 (multiplicity 2) 60)<br />

7

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