Question

Solve the following expression when
f = 3
7 + 4 + f2 - 5f + 2

Answer 1

7 + 4 + f^2 - 5f + 2 = 13 + 3^2 - 5(3) = 13 + 9 + 15 = 28 + 9 = 37

Answer 2

7+4+2f-5f+2.

substitute the f.

7+4+2(3)-5(3)+2

Do the multiplication.

7+4+6-15+2.

11+6-15+2

17-15+2

2+2

4.