The function f(x) = 40x + 8 represents the amount of money makayla earns reupholstering furniture. the function g(x) = 3x − 4 represents her upfront costs. find (f – g)(4) to determine how much profit she will make from four pieces of furniture.

$168
$21
$160
$8

What is the equation of the following graph in vertex form? parabolic function going down from the left through the point zero comma twelve and through the point two comma zero and turning at the point four comma negative four and going up through the point six comma zero and continuing towards infinity courtesy of texas instruments a: y = (x − 4)2 − 4 b: y = (x + 4)2 − 4 c: y = (x + 2)2 + 6 d: y = (x + 2)2 + 12

The temperature of chicken soup is 192.7°f. as it cools, the temperature of the soup decreases 2.3°f per minute. what is the temperature in degrees fahrenheit of the soup after 25 minutes? a. 27.3°f b. 57.5°f c. 135.2°f d. 250.2°f

Hi, can anyone show me how to do this problem? 100 points for this. in advance