Answer:
thanksss
Step-by-step explanation:
Answer:
f(3) = 71
Step-by-step explanation:
f(x) = 10(x + 5) − 9
f(3) = 10(3 + 5) - 9
f(3) = 10(8) - 9
f(3) = 80 - 9
f(3) = 71
To find f(4) ( which means ' the value of f(x) when x = 4) we replace x by 4 then simplify:-
f(4) = 4*4 + 7
= 16 + 7
= 23 (answer).
Answer:
B.
Step-by-step explanation:
