Determine the relation of the following lines: y = -2x + 4 and y = -2x + 1.
1 answer:
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Answer:
b=4
Step-by-step explanation:
So, we have the function . We need to find b such that the average rate of change or the slope is -1/8 between the intervel [2, b]. First, let's find f(2).
f(2) = 1/(2) = 1/2
So, we have the point (2, 1/2)
At point b, f(b) = 1/b.
Let's plug this into the slope formula:
Now, we just need to solve for b. First, let's multiply both the numerator and denominator by b (to get rid of the annoying fraction in the numerator).
Now, cross multiply.
Solve for b. Factor using the numbers -4 and -2.
Thus, b=4 or b=2.
However, b=2 is not a possible solution since the interval [2,2] means nothing. Thus, b=4.
Answer:
height=6 ft
Step-by-step explanation:
-The volume of a rectangular prism is given by the formula:
#We make h the subject of the formula the solve for it:
#Substitute to solve for height:
Hence, the prism has a height of 6 ft.