The quadratic function f(×)=-x^2 + 8x - 2 has a turning point whose x-coordinate is 4.

one that is bigger than 3 1/2

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.

b

step-by-step explanation:

it is 570

step-by-step explanation: