Functions Review

Who am I ?

• cube root

• cubic

• quadratic

• logarithmic

• linear

• cube root

• square root

• quadratic

Tags

CCSS.HSF-IF.C.7B

• inverse

• inverse squared

• logarithmic

• exponential

Tags

CCSS.HSF-IF.C.7E

• inverse

• inverse squared

• logarithmic

• exponential

Tags

CCSS.HSF-IF.C.7E

If f(x) = 3x -1 and g(x) = x² + 2,  what is the composition f(g(x))?

• 3x² + 5

• x² + 1

• 3x² + 1

• 3x² + 6

If f(x) = x-1 and g(x) = 2x,

what is g(f(x)) ?

• 2x²-1

• 2x-1

• 2x-2

• x-2

hint: substitute (-1) into the h(x) equation to get started...

• -1

• 1

• -1/3

• -5/3

f(x-2)

• 2x² - 13x + 18

• 2x² - 5x + 18

• 2x² - 8x + 3

• 2x² - 13x + 2

Tags

CCSS.HSF.IF.A.2

 $Find\ \ \ \ \ \ f\left(g\left(3\right)\right)$  

Based on this graph, find f(2). Hint: When x=2, what is the y-value?

• 1

• 0

• -1

• 2