Find an equation of variation in which the following are true.f varies jointly as q2 and h, and f = 54 when 
and 
.
A. f = 
q2h
B. f = 3q2h
C. f = 972q2h
D. f = 
q2h
Answer: B
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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
Multiply and write the result in standard form.(6 + 8i)(6 - 8i)
A. 36 - 64i2 B. 36 + 64i2 C. -28 D. 100
Provide an appropriate response.You are asked to change 
to a mixed number. What should be your first step?
A. Multiply 25 and 24. B. Divide 24 by 25. C. Add 25 and 24. D. Divide 25 by 24.
Classify the function as even, odd, or neither.f(x) = 2x4 - x2
A. Even B. Odd C. Neither