Question

Let f(x) = -2x + 6 and g(x) = 5x - 7.

Find f+g
a 3x - 1
(b 7x -
© 3x + 13
d -10x - 35

Answer 1

a) 3x - 1

Explanation:

f(x) + g(x)

(-2x + 6) + (5x - 7)

Drop the parentheses

-2x + 6 + 5x -7

5x and -2x can be combined as well as 6 and -7

So, 3x -1