Perform the indicated operation. Write the result in the form a + bi.9i(4 - 5i)
A. 45 + 36i
B. 36i + 45i2
C. 36i - 45i2
D. -45 + 36i
Answer: A
Mathematics
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is discontinuous.
Fill in the blank(s) with the appropriate word(s).
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Express the verbal representation for the function f symbolically.Divide the input x by 2 and then add 4 to obtain the output y.
A. y = 2x + 4
B. y = 
- 4
C. y = 2x - 4
D. y = 
+ 4
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Find the sum of the infinite series.
a. undefined
b. 
c. 2
d. 
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Provide an appropriate response.Find the complement of a 59° angle.
A. 121° B. 301° C. 211° D. 31°
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