Question

Is this answer right?

Answer 1

for each function what is output of the given input? for f(x)=4x+7, find f(4)

I have to show my work MY ANSWER:
f(x) = 4x+7
now the question asks for the f(4)

So u must substitute 4 instead of x in f(x) ....
f(x) contain only one term which include x - i.e "4x"
now substitute 4 instead of x in "4x"

and u will get a expression like this
THE ANSWER: 4x+7 -----> (4*4) +7 = 23?

Answer 2

perfect

Answer 3

so it is 23?

Answer 4

@sweetburger

Answer 5

yes