24
Step-by-step explanation:
base (b) = 8
height (h) = 6
A = bh/2
= 8x6/2
= 48/2
= 24
-13
step-by-step explanation:
f(x)=2x-5 for f(-4)
f(-4) means let x=-4
f(-4) = 2(-4) -5
f(-4) =-8-5
= -13