5) A social media site charge for x ads at C cost using the piecewise function below.
70
when x < 5
C(x)
70+ 10(x - 5) when x > 5
{70
How much will they pay for... a) 3 ads
b) 7 ads
c) 15 ads

What is the average rate of change for this function for the interval from x=2 to x=4 ?

Find the volume of the described solid. the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x. a) 441b) 147c) 864d) 882

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.