Question

if f(x)=3x+5 evalute f (7)-f(5)​

Answer 1

Answer:

6

Explanation:

f(x)=3x+5

f(7)=3(7)+5=26

f(5)=3(5)+5=20

so f(7)-f(5)=26-20=6

Answer 2

Explanation:

f(7)= 21+5=26

f(5)=15+5=20

• f(7)-f(5)=26-20

= 6