Plot the complex number and find its absolute value.
?
-3 + 9i
?

A. ?

?


B. ?

?


C. ?

?


D. ?

?


E. ?

?



Answer: C

Mathematics

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The graph of a function is given. Choose the answer that represents the graph of its derivative.

A.

B.

C.

D.

Mathematics

Express the function in terms of x.If f(u) = u5 and u = x3 + 8, then express 5u4 ? 3x2 in terms of x alone.

A. (15x5 + 8)4 B. 15(x5 + 8)4 C. x2(15x3 + 8)4 D. 15x2(x3 + 8)4

Mathematics

Write an inequality using the variable x that corresponds to the set graphed on the number line.

A. -4 < x ? 0 B. -4 < x < 0 C. -4 ? x < 0 D. -4 ? x ? 0

Mathematics

Divide.

A. 9r2 + 3+ 
B. r2 + 6+ 3
C. 9r2 - 3- 6
D. 9r2 + 3+ 6

Mathematics