Determine whether there is a maximum or minimum value for the given function, and find that value.f(x) = x2 + 20x + 90
A. Maximum: 10
B. Minimum: -10
C. Maximum: -10
D. Minimum: 0
Answer: B
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Using the Divergence Theorem, find the outward flux of F across the boundary of the region D.F = x2i + y2j + zk; D: the solid cube cut by the coordinate planes and the planes x = 1, y = 1, and z = 1
A. 1 B. 4 C. 3 D. 2
Graph the inequality on a number line. Then write the solution in interval notation.x < 2
A. [2, ?)
B. (-?, 2)
C. (2, ?)
D. (-?, 2]
Solve the problem.There are currently 53 million cars in a certain country, increasing exponentially by 1.6% annually. How many years will it take for this country to have 63 million cars? Round to the nearest year.
A. 4 yr B. 11 yr C. 144 yr D. 6 yr
Solve the problem.Matt bought 3 pounds of oranges and 2 pounds of apples and paid src="https://sciemce.com/media/4/ppg__file0518192205__f1q72g4.jpg" alt="" style="vertical-align: -15.0px;" />
A. $0.74 per pound
B. $0.76 per pound
C. $0.79 per pound
D. $0.72 per pound
before tax. Andy bought 4 pounds of oranges and 3 pounds of apples and paid 
before tax. Use this information to set up a matrix equation of the form AX = B , which can be solved to determine the price per pound for oranges and apples. Solve this matrix equation to find the price per pound of oranges.Use the fact that for 