Unit 4 Test Review

The graph of function f(x) shows a point of inflection. Which of the following points is it?

• point p

• point q

• point r

• point s

On which interval is f(x) decreasing and concave up?

• From p to q

• From q to r

• From r to s

• From s to t

See image for question

• A

• B

• C

• D

See image for question

• A

• B

• C

• D

Tags

CCSS.HSA.APR.A.1

Given g(x) = (x-4)(x² + 3x + 4), how many distinct real zeros does g(x) have?

• Two

• Three

• One (real zero only)

• One (plus two complex zeros)

Tags

CCSS.HSF-IF.C.7C

See image for question

• A

• B

• C

• D

Tags

CCSS.HSA.APR.A.1

The table shows values for a function h(x) at selected points. Which type of function best fits the given data?

• Linear

• Quadratic

• Cubic

• Quartic

The polynomial function k(x) has a complex zero at x = 4−3i. Which of the following must also be a zero?

• −4 + 3i

• 4 + 3i

• −4 − 3i

• 3 − 4i

A polynomial has zeros at x = 3 (with multiplicity 2) and x = −2 (with multiplicity 3). What is the least possible degree of the polynomial?

• 3

• 4

• 5

• 6

Tags

CCSS.HSF-IF.C.7C

What is the name of the following polynomial: −5k² + 3k − 2

• Quadratic trinomial

• Quintic binomial

• Cubic binomial

• Quartic trinomial