Answer:
f(3) = -11
Step-by-step explanation:
f(x) = -3x - 2
f(3) = -3(3) - 2 = -9 - 2 = -11
To compare the values,you must first calculate each given situation. The area of any given rectangle is length times width.
a) if w=6 and l=8
A= l*w = 8*6 = 48
b) if w=7 and l=7
A= l*w = 7*7 = 49
Therefore, the second case would yield a larger area. The answer would be w=7 and l=7. Total area would be 49 square units.
Answer:
The answer is c. 875 square feet
Step-by-step explanation:
B = 2 + 2H
A = 20 ft^2
H = H
Since the Area of a Triangle is Base * Height then the formula should be:
A = BH
20 = H(2+2H)
20 = 2H^2 + 2H
0 = 2H^2 + 2H - 20
Find the zeros of the quadratic equation through substituting the values of a,b, and c. You will get the zeros of x = 2.7 and -3.7. The only thing that would make sense is you use the x=2.7 because there are no negative heights.
Since b = 2h+2
b= 2(2.7) + 2
b= 5.4 + 2
b=7.4
I don't know where you got 4 and 10, but what I got is different.
