November 25 Unit 2 Review

Solving Equations

100

5x + 2 - 4 = 8

2

200

96 = 6(2p+6)

5

300

100 = 5(-3p + 2)

-6

400

-1 + 6(1+6x) = 5 + 5x

0

500

3(1-6x) = -x - 14

1

Evaluating Functions

100

f(x) = x + 4; Find f(9)

f(9) = 13

200

f(x) = 4x - 2; Find f(-6)

f(-6) = -26

300

f(x) = |3x|; Find f(-8)

f(-8) = 24

400

f(x) = |x-3| + 1; Find f(10)

f(10) = 8

500

f(x) = 2|x-3| + 1; Find f(-2)

f(-2)=11

Evaluating Functions for an Expression

100

f(x) = x + 6; Find f(2x)

f(2x) = 2x + 6

200

f(x) = 3x + 2; Find f(x²)

f(x²) = 3x²+2

300

f(x) = 3x + 5; Find f(x - 4)

f(x - 4) = 3x- 7

400

h(x) = x² - 4x; Find h(x/2)

h(x/2) = x²/4 - 2x

500

f(x) = x²; Find f(x+1)

f(x+1) = x² + 2x + 1

Compositions of Functions

100

h(x) = x + 1

g(x) = 2x + 2

Find h(g(-2))

h(g(-2)) = -1

200

g(x) = -4x - 4

Find g(g(0))

g(g(0)) = 12

300

h(x) = -x

g(x) = 2x - 2

Find h(g(x))

h(g(x)) = -2x + 1

400

g(x) = x² - 5x

h(x) = x - 5

Find h(g(x))

h(g(x)) = x² - 5x - 5

500

f(x) = -3x - 1

g(x) = x² - 4

Find f(g(x))

f(g(x)) = -3x² - 13

Inverse Functions

100

y = x - 4

y = x + 4

200

y = 8x - 5

y = (x+5)/8

300

y = (-x - 5)/3

y = -3x - 5

400

y = x³ - 3

y = ³/(x + 3)

500

y = 2 + (x - 1)⁵

y = ⁵/(x  - 2) + 1