The function f=1,350-45x gives the distance left to travel after driving x hours. What is f(7), the distance left after driving 7 hours?
what is 1350-45*7?
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1350-45*7=
1350-315
A=1035
To find the distance left after driving 7 hours, substitute the value of x as 7 into the function f=1,350-45x.
So, f(7) = 1,350 - 45(7).
To simplify, we perform the multiplication first:
f(7) = 1,350 - 315.
Next, subtract 315 from 1,350:
f(7) = 1,035.
Therefore, the distance left after driving 7 hours is 1,035.