6-9-21_SA_Alg2 Exam Review_ A12

x + 7 = 2x + 2

• x = -4

• x = -5

• x = 3

• x = 5

5x + 1 = x + 1

• x = 2

• x = 10

• x= 0

• x = 3

Solve for x
l 2x−1 l = 9

• x = 5 and x =-4

• x = 5 and x = -5

• Only x = 5

• No Solution

Solve for x
l 4x−3 l = 17

• x = 5 and x =-3.5

• x = 0 and x = -5

• x = 10 and x = -10

• No Solution

Graph:
y≤-2x+5
y>2x+7
Which of the following is NOT a solution?

• (-4, 2)

• (-10, 7)

• (-3, 0)

• (-2, 6)

Which system of inequalities is shown?

• y ≥ -x - 1
  y < x + 4

• y < -x - 1
   y ≥ x + 4

• y > -x - 1
  y ≥ x + 4

• y > -x - 1
  y ≥ x + 3

Find the inverse 
f(x)=2x-2
     

• f^-1(x)=1/2x+1

• f^-1(x)=-2-1/2x

• f^-1(x)=-7/3x-20/3

• 2-2/5x

Find the inverse 
f(x)=2x-2
     

• f^-1(x)=1/2x+1

• f^-1(x)=-2-1/2x

• f^-1(x)=-7/3x-20/3

• 2-2/5x

Given f(x) = 3x + 10
and g(x) = x - 2
Find f(g(5))

• 19

• 23

• -10

• None of these.

f(x) = 3x + 10
g(x) = x - 2
Find (f∘g)(0)

• 16

• 4

• -4

• None of these.