Find fx(x, y).f(x, y) = ex-y
A. fx(x, y) = -ex-y
B. fx(x, y) = xex-y
C. fx(x, y) = -yex-y
D. fx(x, y) = ex-y
Answer: D
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Write as a percent.
A. 77% B. 7.7% C. 770% D. 0.77%
Assume triangle ABC has standard labeling. Determine if AAS, ASA, SSA, SAS, or SSS is given, and decide if the law of sines or the law of cosines should be used to solve the triangle.a, b, and c
A. ASA; law of sines B. SSS; law of sines C. SSA; law of cosines D. SSS; law of cosines
Solve the problem.The area of a rectangular piece of cardboard shown is 714 square inches. The cardboard is used to make an open box by cutting a 5-inch square from each corner and turning up the sides. If the box is to have a volume of 1,320 cubic inches, find the dimensions of the cardboard that must be used.
A. 21 in. by 34 in. B. 16 in. by 29 in. C. 26 in. by 39 in. D. 11 in. by 19 in.
Give all possible rational zeros for the polynomial.f(x) = -2x4 + 2x3 + 5x2 + 18
A. ±1, ±2, ±3, ±6, ±9, ±18
B. ±1, ±2, ± 
, ± 
, ± 
, ± 
, ± 
C. ±1, ± 
, ±2, ±3, ±6, ±9, ±18
D. ±1, ± 
, ±2, ±3, ± 
, ±6, ±9, ± 
, ±18