Use the graph of the function =yfx below to answer the questions. Is f4 positive?
For which value(s) of x is =fx0?
If there is more than one value, separate them with commas.
for which value(s) of x is Write your answer using interval notation.

42

step-by-step explanation:

256/6=42

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.