Find the product. Write the product in rectangular form, using exact values.[4 cis 315°] [6 cis 225°]
A. 24
B. -24i
C. -24
D. 24i
Answer: C
Mathematics
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Determine whether the function is a probability density function over the given interval.f(x) = 
x, 0 ? x ? 4
A. Yes B. No
Mathematics
Divide. Write a mixed numeral for the answer whenever possible.-1753 ÷ 5
A. -5
B. -350
C. 350
D. -350
Mathematics
Subtract.
A. 45 B. 47 C. 57 D. 69
Mathematics
Perform the multiplication. Simplify the result when possible.
A. 
B. 
C. 
D. 
E. 
Mathematics