Perform the indicated operation and write the answer in the form 
where a and b are real numbers.(2 - 7i)(8 - 8i)
A. 72 - 40i
B. 56i2 - 72i + 16
C. -40 - 72i
D. -40 + 72i
Answer: C
Mathematics
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Find the indicated composition.f(x) = 5
; g(x) = 2x + 7Find (g ? f)(x).
A. (g ? f)(x) = 10
+ 7
B. (g ? f)(x) = 5
C. (g ? f)(x) = 5
+ 7
D. (g ? f)(x) = 5
Mathematics
Solve by the method of elimination by substitution. x - 5y = 302x - 5y = 25
A. x = -4, y = -8 B. x = -5, y = -7 C. x = -4, y = -5 D. Inconsistent
Mathematics
List all numbers from the given set that are members of the given Real Number subset.{16, 
, -8, 0, 0.
, 
} Whole numbers
A. 16, -8, 0, 
B. 16, 0
C. 16, 0, 
D. 16, -8, 0
Mathematics
Evaluate the function.Find g(3, 4) when g(x, y) = 
.
A. -
B. - 
C. - 
D. - 
Mathematics