Regents Prep, Equivalent, Zeros, Functions, Transformations

The expression 3(x + 4) - (2x + 7) is equivalent to

• x + 5

• x - 10

• x - 3

• x + 11

A function is defined as K(x) = 2x² - 5x + 3. The value of K(-3) is

• 54

• 36

• 0

• -18

The solution to 3(x - 8) + 4x = 8x + 4 is

• 12

• 28

• -12

• -28

When written in standard form, the product of (3 + x) and (2x - 5) is

• 3x - 2

• 2x² + x - 15

• 2x² - 11x - 15

• 6x - 15 + 2x² - 5x

If the parent function of f(x) is p(x) = x², then the graph of the function

f(x) = (x - k)² + 5, where k > 0, would be a shift of

• k units to the left and a move of 5 units up

• k units to the left and a move of 5 units down

• k units to the right and a move of 5 units up

• k units to the right and a move of 5 units down

Which expression is equivalent to (-4x²)³?

• -12x⁶

• -12x⁵

• -64x⁶

• -64x⁵

Evaluate f(x)= -2x + 13 for f(10)

• -7

• 1

• -8

• 7

Tags

CCSS.HSF.IF.A.2

The graph of f(x)= x² was transformed to create the graph of g(x) = (x - 7)². Which of these describes the transformation?

• A horizontal shift to the right 7 units

• A horizontal shift to the left 7 units

• A vertical shift down 7 units

• A vertical shift up 7 units

Which function represents exponential decay?

• f(x) = 100(0.9)^x 
• f(x) = 10(1.09)^x 
• f(x) = 1.9^x
• f(x) = ½(9)^x

Tags

CCSS.HSF-IF.C.8B

What is the equation for this line?

• y = x - 2
• y = x + 2
• y = 2x
• y = -x + 2