Solve the variation problem.The intensity of a radio signal from a radio station varies inversely as the square of the distance from the station. If the intensity is 8000 units at a distance of 2 miles, what will it be at a distance of 6 miles? Round to the nearest unit.
A. 915 units
B. 853 units
C. 889 units
D. 872 units
Answer: C
Mathematics
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Find the lateral area of a regular pyramid with slant height 4 meters and square base with side 6.2 meters.
What will be an ideal response?
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Find the x-intercepts.f(x) = x2 - 6
A. x-intercepts (
, 0) and (-
, 0)
B. No x-intercepts
C. x-intercepts (0, 6) and (0, -6)
D. x-intercepts (0, 
) and (0, -
)
Mathematics
Evaluate the indicated function for 
and 
.
?
?
?
A. 28
B. 38
C. -38
D. 125
E. 17
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Find the derivative.y = (x-2 + x)-3
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics