Answer:
4
Step-by-step explanation:
Given,
f(x) = 
so,
f(1) = 
= 4
Answer:
10X^2-42X+8=0
Step-by-step explanation:
Multiply all whats inside the brackets, i.e 5x*2x = 10^2
and 5x*8 =40x and -1*2x =-2x
add that you get -42x
AND Finally
-1*-8 = 8
The plane would be 100 feet long. if the scale is 1/100 and the model is 1 ft you would take 1 x 100 to get 100 feet.
Answer: -18
Step-by-step explanation:
The answer is - 18 because, -15+9=-6 and -6-12=-18
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