Find the x-value of all points where the function has relative extrema. Find the value(s) of any relative extrema.f(x) = 3x4 + 16x3 + 24x2 + 32
A. Relative maximum of 48 at -2; Relative minimum of 32 at 0.
B. No relative extrema.
C. Relative minimum of 30 at -1.
D. Relative minimum of 32 at 0.
Answer: D
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The position vector of a particle is r(t). Find the requested vector.The velocity at t = 
for r(t) = 5sec2(t)i - 10tan(t)j + 4t2k
A. v
= 20i + 20j - 2?k
B. v
= -20j - 2?k
C. v
= -20j + 2?k
D. v
= 20i - 20j + 2?k
Find the exact value of the expression.
A. - 
B. - 
C. -2
D. -
Find the remaining sides of a 30° - 60° - 90° triangle if the side opposite 60° is 9.
What will be an ideal response?
Solve the problem.To convert a Fahrenheit temperature to a Celsius temperature, we subtract 32 from the Fahrenheit temperature and then multiply the result by 
. The average temperature on a planet in a solar system is 50°F. What is this temperature in degrees Celsius?
A. 14°C B. -4.2°C C. 10°C D. 122°C