The tangent line to the graph of 
at 
is shown. On the tangent line, P is the point of tangency and A is another point on the line. Find the instantaneous rate of change of 
style="vertical-align:middle;" /> at P.
?
?
A. -3
B. 3
C. -4
D. -5
E. does not exist
Answer: B
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Solve the problem.If p
q and m?h = 52° in the following figure, find the measures ?d, ?e, ?f.
A. m?e = m?f = 52°; m?d = 128° B. m?d = m?f = 52°; m?e = 128° C. m?d = m?f = 52°; m?e = 138° D. m?d = m?f = 52°; m?e = 38°
Verify that each equation is an identity.
= 
What will be an ideal response?
A colony of 5 million bacteria is growing in a culture medium. The population P after t hours is given by the formula
. Find the population after 6 hours. Round to the nearest million.
?
A. 69 million bacteria B. 740 million bacteria C. 30 million bacteria D. 13 million bacteria E. 308 million bacteria
Find the dot product, u ? v, for the given vectors.u = 
, v = 
A. 94 B. 101 C. -38 D. 86