For the curve r(t), write the acceleration in the form aTT + aNN.r(t) = (t + 7)i + (ln (cos t) - 9)j + 8k
A. a = (-sec t tan t)T - (sec t)N
B. a = (sec t tan t)T + (sec t)N
C. a = (-sec t tan t)T + (sec t)N
D. a = (sec t tan t)T - (sec t)N
Answer: B
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Write fraction in lowest terms.The table lists the number of televisions in stock at a particular store, categorized by screen size.
Find the lowest-terms fraction of televisions in stock with a screen size of 48 inches.
A. 
B. 
C. 8
D. 
Find the exact value of the expression.
A. 
B. 
C. 
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Evaluate the expression for the given replacement values. Write the answer in simplest form.x - y for x = 
, y = 
A. 
B. 
C. 
D. 