Answer:
f(-3)= 19
Step-by-step explanation:
you have to use substitution. Every time that you see an x, plug it in for a -3
f(x)= -5x+4
f(-3)= -5(-3)+4
f(x) = 19
1
No, because using the distributive property, you would get 5b+15 and 3b+15. The number of b you have is different.
the other leg is 90 degrees and 9 inches
