Provide an appropriate response.What conditions must be placed on the values of x and y so the expression 
will be equal to the expression 
+ 
?
A. y must always be negative.
B. y must always be positive.
C. x and y must have opposite signs or at least one be zero.
D. x and y must have the same signs or at least one be zero.
Answer: C
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Solve the initial value problem.2 
- 4xy = 8x; y(0) = 25
A. y = 2 + 25ex2 B. y = -2 + 27e-x2 C. y = -2 + 27ex2 D. y = -1 + 26ex2
Write the decimal using the indicated form.6.000634; expanded exponential form
A. 6 ? 101 + 6 ? 10-1 + 3 ? 10-2 + 4 ? 10-3 B. 6 ? 100 + 0 ? 10-1 + 0 ? 10-2 + 0 ? 10-3 + 6 ? 10-4 + 3 ? 10-5 + 4 ? 10-6 C. 6 ? 100 + 6 ? 10-1 + 3 ? 10-2 + 4 ? 10-3 D. 6 ? 10-1 + 0 ? 101 + 0 ? 102 + 0 ? 103 + 6 ? 104 + 3 ? 105 + 4 ? 106
Find the angle in degrees when given the trigonometric values. ? represents the unknown angle measure.cot ? = 3.511
A. 15.08° B. 15.1° C. 15.900° D. 15.90°
Simplify the expression.- 
+ 9y + 
y - 5 + 
y
A. 
y - 4
B. 11 + 4
C. 
y
D. 11y - 