PreCalc Unit 2 Review

Evaluate the function for f(2k - 1).

f(x) = -x² - 2x + 19

• -4k² + 20

• 4k² - 20

• -4k² - 4k + 20

• 4k² + 4k - 20

Evaluate the function for g(-2).

• 3

• 5

The graph of this function is translated 5 units left and 4 unit up. Which equation represents the new function?

• f(x) = -(x - 4)² + 3

• f(x) = (x + 1)² + 7

• f(x) = -(x + 1)² + 7

• f(x) = (x - 4)² + 3

• Vertical compression by 1/2

• Horizontal stretch of 2

• Translate 3 units right

• Translate 7 units up

• Reflection over the x-axis

• x > 5

• x < 5

• x > -2

• x < -2

Given the graph of the piecewise function, select all discontinuities shown.

• x = -2, jump

• x = -9, infinite

• x = 3, removable

• x = -2, removable

• x = 5, infinite

• 1

• 5

Which statement is true regarding the relation below?

x² - 4y² = 16

• It is symmetric to the x-axis.

• It is symmetric to the y-axis.

• It is symmetric to the origin.

• It is symmetric to the x-axis, y-axis, and the origin.

• It is odd and symmetric to the origin.

• It is odd and symmetric to the y-axis.

• It is even and symmetric to the origin.

• It is even and symmetric to the y-axis.