Pls guys this is my last question. any irrelevant awnsers will be flagged. pls and ty :)

the answer is f(x)=2x-1

step-by-step explanation:

5x+2x=49

7x=49

x=7. 35 apples

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.