Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: A
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Provide an appropriate response.Graph the equation 
for several values of a in order to get an idea of what these curves look like. (Try both 
and 
Show that the graph will have an inner loop for every a such that 
and find the values of ? that correspond to the inner loop.
What will be an ideal response?
Find the indicated derivative for the given vector-valued function .Find Dt[h(t),r(t)] for r(t) = sin(6t)i + j and h(t) = e3t.
A. Dt[h(t),r(t)] = [3e3t sin(6t) + 6e3t cos(6t)]i - 3e3tj B. Dt[h(t),r(t)] = [3e3t sin(6t) + 6e3t cos(6t)]i + 3e3tj C. Dt[h(t),r(t)] = [3e3t sin(6t) + 6e3t cos(6t)]i D. Dt[h(t),r(t)] = [3e3t cos(6t)]i + 3e3tj
Adjust the problem so that the coefficient is in the proper form.50 × 10-3
A. 5 × 10-2 B. 0.5 × 10-2 C. 5 × 10-1 D. 0.5 × 10-4
Solve.42x + 6x2 = 0
A. -6, -7 B. -7 C. 0, -7 D. -21