If f (x) = 4^x-1+6 and g (x) = 2x-5, what is (f-g) (x) ?

A. (f-g) (x) = 4^x-1-2x-1

B. (f-g) (x) = 4^x-1-2x+11

C. (f-g) (x) = 4^x-1-2x-11

D. (f-g) (x) = 4^x-1-2x+1

Question

Mathematics

Denise Quinn

30 September, 01:00

If f (x) = 4^x-1+6 and g (x) = 2x-5, what is (f-g) (x) ?

A. (f-g) (x) = 4^x-1-2x-1

B. (f-g) (x) = 4^x-1-2x+11

C. (f-g) (x) = 4^x-1-2x-11

D. (f-g) (x) = 4^x-1-2x+1

+5

Answers (1)

Know the Answer?

Ayla Chen · Answer 1

I believe the answer is

B. (f-g) (x) = 4^x-1-2x+11

(f-g) (x) = (4^x-1+6) - (2x-5)

apply like terms while retaining order of operations

6 - (-5) = 11

4^x - 1 - 2x + 11

I'm fairly certain, I just did this section, but just in case, sorry!

If f (x) = 4^x-1+6 and g (x) = 2x-5, what is (f-g) (x) ?A. (f-g) (x) = 4^x-1-2x-1B. (f-g) (x) = 4^x-1-2x+11C. (f-g) (x) = 4^x-1-2x-11D. (f-g) (x) = 4^x-1-2x+1

If f (x) = 4^x-1+6 and g (x) = 2x-5, what is (f-g) (x) ?

A. (f-g) (x) = 4^x-1-2x-1

B. (f-g) (x) = 4^x-1-2x+11

C. (f-g) (x) = 4^x-1-2x-11

D. (f-g) (x) = 4^x-1-2x+1