Unit 1 Exam

What is the solution of 1 < 2x + 3 < 9?

• -1>x<2

• 2<x<3

• -1<x<2

• -1<x<3

• 4

• 0

This graph shows the function f(x). Which graph below represents the function f(x + 2)?

• 
• 
• 
• 

Which type of function is graphed below?

• Linear function

• Quadratic function

• Exponential function

• Absolute Value function

True/False: The following relation is a function:

• True

• False

True/False:The equation y - 5 = 3(x + 2) is in point-slope form:

• True

• False

Evaluate the following expression: 2(x² - y²) + 4x − 5y when x = 5 and y = 3

• 37

• -45

• 69

• 57

Find the slope of the line that passes through these two points: (-1, 1), (5, -6)

Solve for x: 3(x − 8) + 4x = 8x + 4

• x = 4

• x = -28

• x = - 20

• x = 8

What inequality is graphed? 

• x > 2 and x ≤ -3

• x > 2 and x < -3

• x > 2 or x ≤ -3

• x > 2 or x < -3