All the problem gives me is "f(x)=x+7" and tells me to sketch a graph of y=f(x) how do i know what numbers to use cause when I click "help me solve this" It uses numbers that are not even in the problem. do I choose any? Im so confused.

i will take them

step-by-step explanation:

the correct answer is 828.07

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.

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step-by-step explanation: