Solve the problem. Round your answer to three decimals.How long will it take for an investment to double in value if it earns 9.25% compounded continuously?
A. 7.493 years
B. 3.747 years
C. 7.781 years
D. 11.877 years
Answer: A
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Find fx, fy, and fz.f(x,y,z) = xe(x2 + y2 + z2)
A. fx = (1 + 2x2) e(x2 + y2 + z2); fy = 2xye(x2 + y2 + z2); fz = 2xze(x2 + y2 + z2) B. fx = (1 + 2x2) e(x2 + y2 + z2); fy = xe(x2 + y2 + z2); fz = xe(x2 + y2 + z2) C. fx = 2x2e(x2 + y2 + z2); fy = xye(x2 + y2 + z2); fz = 2xze(x2 + y2 + z2) D. fx = (1 + 2x2) e(x2 + y2 + z2); fy = xy2e(x2 + y2 + z2); fz = xz2e(x2 + y2 + z2)
Solve by the substitution method.8x - 7y = -32-5x - 2y = 20
A. {(-4, 0)} B. {(-5, 1)} C. {(x, y)|8x - 7y = -32} D. ?
Perform the indicated operations and write the result in standard form.
- 
A. 
- 11i
B. 
i - 11
C. i(
- 11)
D. i(
+ 11)
Select the correct graph of the polar equation. Find an interval for 
for which the graph is traced only once.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
