Math Make-up Test

Evaluate the function f(x) = 2x - 3 for x = 4

• 7

• 5

• 2

• 10

Choose the even function:

• 
• 
• 
• 

Evaluate the function g(x) = x² + 5x + 2 for x = -3

• 25

• -2

• -4

• 10

In which interval is the function decreasing?

• (-∞,2)

• (-∞,+∞)

• (0.75,3.25)

• (2,+∞)

Which is NOT a function?

• 
• 
• 
• 3x³+4

Which is the absolute minimum of this function?

• 0

• ∞

• 1

• There is no absolute minimum

Find the domain of the function h(x) = √(4x - 1)

• x > 4

• x ≥ 1/4

• x = 1/4

• x ≤ 1/4

• x ≠ -3 and x ≠ 3

• x ≠ 0

• x ≠ -2 and x ≠ 2

• x > 9

Perform the operation f(x) + g(x) for f(x) = 3x + 2 and g(x) = 2x - 5

• 5x - 3

• x² - 3

• 6x - 7

• 5x + 3

Perform the operation f(x) ⋅ g(x) for f(x) = x² - 4 and g(x) = 2x + 1

• 2x³ + x² - 8x - 4

• 2x³ - x² + 4x - 4

• x³ - 7x² - 8x - 4

• 4x³ - 7x² - 4x - 4