Use a number line to find the sum.-5 + 4
A. -1
B. 1
C. 0
D. -9
Answer: A
Mathematics
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Solve.
+ 
= 
A. - 
, 
B. 
C. - 
, 24
D. - 
Mathematics
Find the domain of the variable in the equation. Write the answer in interval notation.
= x + 12
A. (-?, -2) ? (4, ?) B. (-?, -2) ? (-2, 4) ? (4, ?) C. (-2, 4) ? (4, ?) D. (-?, 2) ? (2, 4) ? (4, ?)
Mathematics
For the given functions f and g, find the requested function and state its domain.f(x) = 16 - x2; g(x) = 4 - xFind f + g.
A. (f + g)(x) = -x2 + x + 12; all real numbers B. (f + g)(x) = 4 + x; {x|x ? -4} C. (f + g)(x) = x3 - 4x2 - 16x + 64; all real numbers D. (f + g)(x) = -x2 - x + 20; {x|x ? 4, x ? -5}
Mathematics
Evaluate the integral using integration by parts.
e2x dx
A. e2x
+ 1 + C
B. e2x
+ C
C. e2x
+ C
D. e2x
+ C
Mathematics