Question

Question 1

Given the functions f(x) = 2x + 1 and g(x) = 5x +4, find m(x) = f(x) - g(x)?
A
m(x) = 3x + 3
B
m(x) = -3x + 5
С
m(x) = -3x - 3
D
m(x) = 7x + 5

Answer 1

Given :

⊕ f(x) = 2x + 1

⊕ g(x) = 5x + 4

⊕ m(x) = f(x) - g(x)

⇒ m(x) = (2x + 1) - (5x + 4)

⇒ m(x) = 2x + 1 - 5x - 4

⇒ m(x) = -3x - 3

Answer : C