Solve.A glass-cage elevator rises on the outside of a hotel which is h m tall. A person stands 70 m from the base of the elevator. Express the distance d from the person to the elevator as a function of the height x of the elevator. What is the range of d = f(x)?
A. d = 702 + x2: 0 ? d ? 70
B. d = 
: 70 ? d ? 
C. d = 
: d ? 70
D. d = 
: 70 ? d ? 
Answer: D
Mathematics
You might also like to view...
For what values of x does the series converge conditionally?
A. x = 0
B. x = 
C. x = - 
D. None
Mathematics
Use the properties of equality to solve the equation.q + 
= - 
A. - 
B. 
C. 
D. - 
Mathematics
Identify where f is increasing and where f is decreasing.f(x) = 
A. increasing: [-4, ?); decreasing: (-?, -4] B. increasing: (-?, 4]; decreasing: [4, ?) C. increasing: (-?, -4]; decreasing: [-4, ?) D. increasing: [4, ?); decreasing: (-?, 4]
Mathematics
Find the exact value of the indicated trigonometric function of ?.sin ? = 
, sec ? < 0Find cos ? and tan ?.
What will be an ideal response?
Mathematics