1.

Find the specified domain and express it in interval notation. For f(x)=x²- 64and g(x)=2x+3, what is the domain of (g/f)(x)?

a)	(-,3/2)(-3/2,)

b)

[-3/2,)

c)	All real numbers

d)	(-,-8)(-8,8)(8,)

2. In a certain town the annual consumption, b, of beef (in pounds per person) can be estimated by b=40-0.4twhere t is the number of years since 2010. What is the slope of the graph of this function? Write a sentence interpreting this value. Question 34 options:

a)	-0.4; The average consumption of beef in this town is decreasing by0.4pounds per person per year.

b)	40; The average consumption of beef in this town is increasing by40pounds per person per year.

c)	40; The average consumption of beef in this town is decreasing by40pounds per person per year.

d)	-0.4; The average consumption of beef in this town is increasing by0.4pounds per person per year.

3.

A gas station sells 4820 gallons of regular unleaded gasoline on a day when they charge $1.35 per gallon, whereas they sell3862gallons on a day that they charge $1.40 per gallon. Find a linear function that expresses gallons sold as a function of price.

a)	G(p)=-19,160p+30,664.2

b)	G(p)=-19,160p+30,702

c)	G(p)=-19,160p+30,669.8

d)	G(p)=-19,160p+30,686

4. Write the equation of the line with the given conditions. passing through (-1,-7) and perpendicular to the line with equation4x+ 5y=31

a)	y=-5/4x-23/4

b)	y= 4/3x+4/5

c)	y=-1/5x-31/5

d)	y= 5/4x-23/4

5.

ind the slope of the line (if it exists) and the y-intercept (if it exists). 3x- 4y=-4

a)	Slope 3/4, y-intercept (0,1)

b)	Slope-1, y-intercept (0,1)

c)	Slope- 3/4, y-intercept (0,-1)

d)	Slope1, y-intercept (0,-1)

6. Find the slope of the line through the pair of points. (8,-6) and (-5,-6)

a)

0

b)

13

c)

-13

d)

Undefined