Write the expression in the standard form a + bi.
A. 
+ 
i
B. 
- 
i
C. 
+ 
i
D. 
- 
i
Answer: A
Mathematics
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Evaluate the integral.
A. 1680 B. 42 C. 7 D. 280
Mathematics
Solve the problem.The seamstress has a length of 18 feet of material on a bolt. She plans to use the material to make scarves. If each scarf requires a length of 7
inches, how many can be made? (1 foot = 12 inches)
A. 29 scarves B. 2 scarves C. 162 scarves D. 28 scarves
Mathematics
Maximize the function
?
?
subject to the constraint 
.
?
A. 
B. ?
C. ?
D. ?
Mathematics
Use the Intermediate Value Theorem to determine whether the polynomial function has a zero in the given interval.f(x) = 7x3 - 2x + 1; [-1, 0]
A. f(-1) = -4 and f(0) = -1; no B. f(-1) = 4 and f(0) = -1; yes C. f(-1) = -4 and f(0) = 1; yes D. f(-1) = 4 and f(0) = 1; no
Mathematics