Find a function whose graph matches the figure.
A. 2.5 sin 
B. 2.5 sin 
C. 2.5 sin 
D. 5 sin 
Answer: B
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Solve the differential equation subject to the initial conditions.2 
- 4xy = 8x; y = 8 when x = 0
A. y = -2 + 10ex2 B. y = 2 + 8ex2 C. y = -2 + 10e-x2 D. y = -1 + 9ex2
Solve the problem.Consider the quartic functionf(x) = ax4 + bx3 + cx2 + dx + e, a ? 0.Must this function have at least one critical point? Give reasons for your answer. (Hint: Must 
for some x?) How many local extreme values can f have?
What will be an ideal response?
Solve. Round to two decimal places unless otherwise noted.Suppose the cost per ton, y, to build an oil platform of x thousand tons is approximated by 
What is the cost per ton for x = 200?
A. $378.79 B. $75,757.58 C. $937.50 D. $100,000.00
Solve the equation.
?
?
A. 
B. ?
C. ?
D. ?
E. none of these