Math Function Review

A climber is on a hike. After 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is the average rate of change? 

• 200

• 150

• 300

• 75

On which interval is the graph increasing?

• [-5,-3]

• [-3,-1]

• [1,4]

• [5,∞)

Determine the end behavior of the graph.

• As x→ -∞, y→ -∞
  As x→ +∞, y→ +∞

• As x→ -∞, y→ -∞
  As x→ +∞, y→ -∞

• As x→ -∞, y→ +∞
  As x→ +∞, y→ +∞

• As x→ -∞, y→ +∞
  As x→ +∞, y→ -∞

Which function is graphed?

• f(x) = 2|x + 2| -4

• f(x) = 2|x - 4| + 2

• f(x) = |x + 2| - 4

• f(x) = -2|x - 4|

Solve the absolute value equation. 

• {-10, 10}

• {-22, 22}

• {-16, 16}

• {-5, 11}

What is f(1)?

• 1

• 5

• 0

• 4

What is the RANGE of the graph?

• (-∞,∞)

• [0,∞)

• (0,5)

• [-1,∞)

f(x) = 6x-8
g(x) = -3x+2
Find f(x)-g(x). 

• 9x-6

• 9x-10

• 3x-6

• 3x+6

Find the inverse of f(x) = -4x - 12

• f^-1(x) = 4x - 3

• f^-1(x) = -1/4x - 3

• f^-1(x) = 1/4x + 3

• f^-1(x) = -4x - 3

Using the pictured graph, what is f(-3)? 

• -3

• -1

• 1

• 3