Find the indicated derivative.Find fy f(x,y,z) = 4x7e(2y6 + 10z7)
A. 48x7y5e12y5
B. 12y5e(2y6 + 10z7)
C. 12y5e2y6
D. 48x7y5e(2y6 + 10z7)
Answer: D
Mathematics
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Graph.f(x) = -(x - 2)2
A. 
B. 
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Solve the problem.The rabbit population in a forest area grows at the rate of 7% monthly. If there are 270 rabbits in September, find how many rabbits (rounded to the nearest whole number) should be expected by next September. Use 
A. 609 B. 622 C. 612 D. 635
Mathematics
Find the degree of the following polynomial and determine whether it is a monomial, binomial, trinomial, or none of these.9xyz + 12x2z - 3y2z3 + 21xy - x2y2z2
A. 1; trinomial B. 6; none of these C. 5; none of these D. 6; trinomial
Mathematics
Simplify using the laws of exponents.(-r3s)2(-r2s3)5
A. r16s17 B. -r41s245 C. -r16s17 D. -r-4s17
Mathematics