An equation of the terminal side of an angle ? in standard position is given along with a restriction on x. Find the indicated trigonometric function value of ?. Do not use a calculator.-3x - 5y = 0, x ? 0; Find cos ?.
A. 
B. - 
C. - 
D. 
Answer: A
Mathematics
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Find all the first order partial derivatives for the following function.f(x, y) = 
A. 
= 
; 
= 
B. 
= - 
; 
= - 
C. 
= - 
; 
= - 
D. 
= - 
; 
= - 
Mathematics
Evaluate the double integral over the given region.
R = {(x, y): 0 ? x ? 1, 0 ? y ? 2}
A. 
B. 
C. 
D. - 
Mathematics
Determine whether the equation is quadratic.-4x2 + x = 7
A. No B. Yes
Mathematics
Graph the region determined by the inequality in the context of the application.A hardware store has room for 300 bags of fertilizer. The fertilizer manufacturer plans to ship x bags of fertilizer with a 
and y bags of fertilizer without the weed killer. This can be represented by 
.
A. 
B. 
C. 
D. 
Mathematics