Answer:
y=930 x 075^x
Step-by-step explanation:
y is the price after the amount of years x being plugged into the equation. 930 is what you started with. 7.5 is what is being decreased so divide that by 100 and you get 0.075 plug in the amount of years into x and you have your equation
132 miles
4 is half of 8 so you just have to multiple everything by 2 to get your answer
+3°C
an increase in temperature is denoted by +
- 7 + 10 = +3C
y = -2x + 3
m = -2
y = -2x + b
3 = 0 + b
b = 3
$12.15