12. f(x) = x³ - 4x² + 3x +2

Find increasing intervals?

Group of answer choices

A.(.45, 2.22)

B. none of these answers

C.(2.22, +inf)

D>(-inf, 0.45), (2.22, +inf)

14.f(x) = 3x² - 5 , g(x) = 2x + 4

find f(x) g(x)

Group of answer choices

A.3(2x+4)² -5

B.2(3x² -5) + 4

C.3(2x+4)² +5

D.No answer text provided.

15. f(x) = 3x-2, g(x)=2x+1

find (fog)(-3)

Group of answer choices

A.none of these answers

B.-17

C.19

D.-19

16.What is the coordinate of the vertex for given quadratic function, and which way f(x) opens.

f(x) = 2x² -4x +1

Group of answer choices

A.none of these answers

B.(1, -1) , Upward

C.(-1, 1) , Upward

D.(1, -1) , downward

17.Quadratic function y is given below in vertex form. What is the vertex and axis of symmetry for it?

y = 3 (x-1)² -2

Group of answer choices

A.(1, 2), x=-1

B.(1, 2), x=1

C.(1, -2), x=1

D.none of these answers

18.Quadratic function f(x) = x² +2x -3 is given.

Using Graphing Calculator, how many zeros does it have?

Group of answer choices

A.none of these answers

B.has no zeros

C.has two zeros

D.has one zeros

19.What are the zeros, and their multiplicity for f(x) = (x-1)⁴(x+2)³

Group of answer choices

A.1 with multiplicity 4, and -2 with multiplicity of 3

B.1 with multiplicity 3, and -2 with multiplicity of 4

C.-1 with multiplicity 4, and 2 with multiplicity of 3

D.none of these answers

20.g(x) = -4x⁵ +5x⁴ +3x +2

Which one is a true statement for above function

Group of answer choices

A.none of above answers

B.g(x) goes to -infinity, as x goes to +infinity

C.g(x) goes to +infinity, as x goes to +infinity

D.g(x) goes to -infinity, as x goes to -infinity