f(7)
f(x) = 5x
replace x with 7
f(7) = 5(7) = 35
the answer is 35
Answer:
Step-by-step explanation:
E + F = 2c^2 + 5c + 4
E=6c^2-2c-1
F=-4c^2+7c+5
E+F= 6c^2 -2c -1 + -4c^2 + 7c + 5
E + F = 6c^2 - 4c^2 - 2c + 7c - 1 + 5
