Find the derivative.s = t3 cos t - 14t sin t - 14 cos t
A. 
= t3 sin t - 3t2 cos t + 14t cos t
B. 
= - t3 sin t + 3t2 cos t - 14t cos t - 28 sin t
C. 
= - 3t2 sin t - 14 cos t + 14 sin t
D. 
= - t3 sin t + 3t2 cos t - 14t cos t
Answer: D
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Let 
and compute the Riemann sum of f over the interval 
, choosing the representative points to be the left endpoints of the subintervals, using:
?
Two subintervals of equal length 
.
?
__________ sq units
?
Five subintervals of equal length 
.
?
__________ sq units
?
Ten subintervals of equal length 
.
?
__________ sq units
?
Can you guess at the area of the region under the graph of f on the interval 
?
?
? __________ sq units
What will be an ideal response?
Find the real solutions, if any, of the equation. Use the quadratic formula.x2 + 5x + 5 = 0
A. {
, 
}
B. {
, 
}
C. {
, 
}
D. {
, 
}
Identify the vertex of the given parabola.f(x) = x2 + 5
A. (-5, 0) B. (0, 5) C. (5, 0) D. (0, -5)
Translate the sentence to an equation.Seven times a number equals 25.
A. 
= 25
B. 7x = 25
C. 25x = 7
D. 
= 7