Solve the problem.Ken is 6 feet tall and is walking away from a streetlight. The streetlight has its light bulb 14 feet above the ground, and Ken is walking at the rate of 3 feet per second. Find a function, d(t), which gives the distance Ken is from the streetlight in terms of time. Find a function,
, which gives the length of Ken's shadow in terms of d. Then find
.
A. (S ? d)(t) = 2.85t
B. (S ? d)(t) = 2.25t
C. (S ? d)(t) = 1.65t
D. (S ? d)(t) = 5.07t
Answer: B
Mathematics
You might also like to view...
Identify the vertex of the quadratic equation.f(x) = -4x2
A. (0, -4) B. (4, 0) C. (-4, 0) D. (0, 0)
Mathematics
Find the second derivative of the function.
?
?
A.
B. ?
C. ?
D. ?
E. ?
Mathematics
Identify the polynomial as a monomial, binomial, trinomial, or none of these. Give its degree.16a10
A. Binomial, degree 10 B. Monomial, degree 10 C. Monomial, degree 16 D. Binomial, degree 16
Mathematics
Evaluate the exponential function for the given value.f(x) = 42x-1, f(1.5)
A. ? 16.000 B. 8 C. 0.313 D. ? 63.000
Mathematics