# 1. Determine whether the relation is a function. {(-2, -7), (3, -5), (6, -4), (9, -6), (10, -1)} A) Not a function B)…

1.

Determine whether the relation is a function.

{(-2, -7), (3, -5), (6, -4), (9, -6), (10, -1)}

### Save your time - order a paper!

Get your paper written from scratch within the tight deadline. Our service is a reliable solution to all your troubles. Place an order on any task and we will take care of it. You won’t have to worry about the quality and deadlines

Order Paper Now

A) Not a function
B) Function

2.

Determine whether the relation is a function.

{(-5, -4), (-2, 9), (-1, -2), (-1, 7)}

A) Function
B) Not a function

3.

Determine whether the relation is a function.

{(-7, -1), (-7, 2), (-1, 8), (3, 3), (10, -7)}

A) Not a function
B) Function

4.

Determine whether the relation is a function.

{(1, -3), (1, 1), (6, -8), (9, -3), (11, -3)}

A) Not a function
B) Function

5.

Determine whether the relation is a function.

{(-6, -9), (-2, 1), (1, -1), (7, -7)}

A) Not a function
B) Function

6.

Determine whether the equation defines y as a function of x.

x + y = 9

A) y is a function of x
B) y is not a function of x

7.

Determine whether the equation defines y as a function of x.

x2 + y2 = 1

A) y is a function of x
B) y is not a function of x

8.

Determine whether the equation defines y as a function of x.

x = y2

A) y is a function of x
B) y is not a function of x

9.

Evaluate the function at the given value of the independent variable and simplify.

f(x) = -3x – 8; f(-2)

A) 14
B) -11
C) -2
D) 22

10.

Evaluate the function at the given value of the independent variable and simplify.

f(x) = x2 – 1; f(x – 2)

A) x2 + 4
B) x2 – 4x + 3
C) x2 – 3
D) x2 – 4x + 4

11.

Evaluate the function at the given value of the independent variable and simplify.

f(x) = 4×2 + 5x – 6; f(x – 1)

A) -3×2 + 4x – 7
B) 4×2 – 3x – 7
C) 4×2 – 3x + 3
D) 4×2 – 19x + 3

12.

Evaluate the function at the given value of the independent variable and simplify.

f(x) = ; f(5)

A)
B)
C)
D)

13.

Find the slope of the line that goes through the given points.

(3, -5), (-9, -8)

A) –
B)
C)
D) 4

14.

Find the slope of the line that goes through the given points.

(-7, 6), (-7, -9)

A) Undefined
B)
C) 0
D) –

15.

Find the slope of the line that goes through the given points.

(-1, 4), (5, 4)

A)
B) 0
C) 2
D) Undefined

16.

Find the slope of the line that goes through the given points.

(-2, -6), (-9, -17)

A)
B)
C) –
D)

17.

Find the slope of the line that goes through the given points.

(-8, 8), (-5, 2)

A)
B)
C) –
D) – 2

18.

Find the slope of the line that goes through the given points.

(-3, -7), (9, -7)

A) 0
B) 1
C) -4
D) 4

19.

Use the given conditions to write an equation for the line in point-slope form.

Slope = 4, passing through (-3, 7)

A) y – 7 = 4(x + 3)
B) y = 4x + 19
C) x – 7 = 4(y + 3)
D) y + 7 = 4(x – 3)

20.

Use the given conditions to write an equation for the line in point-slope form.

Slope = , passing through (8, 7)

A) x – 7 = (y – 8)
B) y – 7 = (x – 8)
C) y + 7 = (x + 8)
D) y = x + 8

Mathematics homework help