State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not.f(x) = 
A. No; x is a negative term
B. Yes; degree 1
C. Yes; degree 3
D. No; it is a ratio
Answer: C
Mathematics
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Solve the problem.The stiffness of a rectangular beam is proportional to its width times the cube of its depth. Find the dimensions of the stiffest beam than can be cut from a 
cylindrical log. (Round answers to the nearest tenth.)
A. w = 7.5 in.; d = 10.3 in. B. w = 6.5 in.; d = 11.3 in. C. w = 7.5 in.; d = 12.3 in. D. w = 5.5 in.; d = 12.3 in.
Mathematics
Determine if the statement is true or false.- 
? -1.75
A. True B. False
Mathematics
Find 
. Express the answer in standard form.z1 = 15(cos 240° + i sin 240°)z2 = 5(cos 60° + i sin 60°)
A. -3 - 3i
B. - 
- 
i
C. -3i
D. -3
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics