Find a rational zero of the polynomial function and use it to find all the zeros of the function.f(x) = x3 + 8x2 + 30x + 36
A. {-2, -3 + 3i, -3 - 3i}
B. {2, -3 + 
, -6 - 
}
C. {-2, 3 + 3i, 3 - 3i}
D. {-2, 3 + 
, 3 - 
}
Answer: A
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Find all the first order partial derivatives for the following function.f(x,y,z) = xe(x2 + y2 + z2)
A. 
= (1 + 2x2) e(x2 + y2 + z2); 
= 2xye(x2 + y2 + z2); 
= 2xze(x2 + y2 + z2)
B. 
= 2x2e(x2 + y2 + z2); 
= xye(x2 + y2 + z2); 
= 2xze(x2 + y2 + z2)
C. 
= (1 + 2x2) e(x2 + y2 + z2); 
= xe(x2 + y2 + z2); 
= xe(x2 + y2 + z2)
D. 
= (1 + 2x2) e(x2 + y2 + z2); 
= xy2e(x2 + y2 + z2); 
= xz2e(x2 + y2 + z2)
Use a calculator to evaluate the expression, or state that the value does not exist. Round the answer to four decimal places when necessary.coth 3
A. 0.0993 B. 1.005 C. 0.9951 D. 10.0677
Solve the problem.You park your car in a pay lot. Because you have a coupon, you get the first 
You pay for an extra 4
hr. How long can you park?
A. 8 hr B. 7 hr 15 min C. 7 hr 75 min D. 8 hr 15 min
Decide whether the statement is true or false.If p is false then the statement q ? (~p ? q) must be true.
A. True B. False