Find the value of the expression using the given values.
?x = -3, y = 1
A. 4
B. -2
C. 
D. 3
Answer: C
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Find the slowest growing and the fastest growing functions as 
y = 2x2 + 7xy = exy = ex/5y = log10x
A. Slowest: y = log10x Fastest: y = ex B. Slowest: y = log10x Fastest: y = ex and y = ex/5 grow at the same rate. C. Slowest: y = ex/5 Fastest: 2x2 + 7x D. Slowest: 2x2 + 7x Fastest: y = ex
Change the exponential expression to an equivalent expression involving a logarithm.ex = 20
A. log20 x = e B. logx e = 20 C. ln x = 20 D. ln 20 = x
Use the two-stage method to solve.Find x1 ? 0 and x2 ? 0 such that2x1 + x2 ? 12x1 + 4x2 ? 36and z = 4x1 + 3x2 is maximized.
A. x2 = 9, x1 = 0, z = 39 B. x1 = 32, x2 = 1, z = 131 C. x1 = 12, x2 = 0, z = 48 D. x1 = 36, x2 = 0, z = 144
Provide an appropriate response.A candy shop needs x ounces of almonds for candy A and y ounces of almonds to make candy B. The shop has 85 ounces of almonds in stock.a) Write an inequality to describe the situation.b) Graph the inequality.
c) Is (65, 18) a solution of this inequality?
A. x + y ? 85;
No, the point (65, 18) is not a solution.
B. x - y ? 85;
No, the point (65, 18) is not a solution.
C. x + y ? 85;
No, the point (65, 18) is not a solution.
D. x + y ? 85;
Yes, the point (65, 18) is a solution.