Note the Desmos Graph that helped me with your answer. Ifyou have any questions you can ask them now.

The green line is
Answer:
$116.25
Step-by-step explanation:
10% = $7.50
5% = $3.75
7.50 x 5 = 37.50
37.50 + 3.75 = $41.25
$75 + $41.25 = $116.25
Hope this helps !
Answer:
f(4) = 49
f(-3) = -35
Step-by-step explanation:
f(4) = 12(4) + 1 = 48 + 1 = 49
f(-3) = 12(-3) + 1 = -36 + 1 = -35
The fraction symbolizes division. Divide, buddy.