Give an appropriate answer.Let
f(x) = -4 and 
g(x) = 2. Find
[f(x) + g(x)]2.
A. 20
B. -2
C. 4
D. -6
Answer: C
Mathematics
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Solve the problem.For what numbers x, 0 ? x ? 2?, does sin x = 1?
A. 0, 2?
B. 
, 
C. 
D. none
Mathematics
Solve using the elimination method. Use a graphing calculator to check your answer.
x + 
y = 4
x - 2y = 21
A. (-6, 8) B. (-6, -8) C. (6, 8) D. (6, -8)
Mathematics
Find the integral.
A. x + 
+ C
B. x + 
+ C
C. x + 
+ C
D. 
+ C
Mathematics
Evaluate the expression for the given replacement values.x + 2z
for x = 4 and z = -3
A. 10 B. 7 C. -2 D. 1
Mathematics