A function is given such that f(4)−f(6)=9. If the function is linear, which of the following could the function possibly be?(1 point)
A. f(x)=−4.5x+b for some constant b
B. f(x)=−9x+b for some constant b
C. f(x)=9x+b for some constant b
D. f(x)=4.5x+b for some constant b
2 answers
D. f(x)=4.5x+b for some constant b
why, explain
1 answer