Oh how fun, functions!! You substitute f(-2) into your starting function so it will look like this:
f(x)=2(5x+7)
f(x)=10x+14
f(-2)=10(-2)+14
f(-2)=(-20)+14
f(-2)=(-6)
divide by negative 2 on each side to find f:
f=3
Hope this helped!!
Answer:
l = 720ft w = 450ft
Step-by-step explanation:

Answer:
75 dumplings
Step-by-step explanation:
1500/20= 75
<span>A = 2wl + 2lh + 2hw
The formula is above. :)</span>
The decimal answer is 1.697368421 and the fraction answer is 129/76