Perform the indicated operation for the given f(x) and g(x).f(x) = 7 - 7x2, g(x) = -5x2 + 7
Find (f + g)(x).
A. -5x2 + 7
B. -2x2 + 14
C. -12x2 + 14
D. 2x2
Answer: C
Mathematics
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Express the number in exponential form.4.46(cos 117.4° + j sin 117.4° )
A. 4.46e117.4j B. 117.4e4.46j C. 4.46e2.05j D. 2.05e4.46j
Mathematics
Graph.x2 - y2 = 8
A. 
B. 
C. 
D. 
Mathematics
Fill in the blank with one of the words or phrases listed below.
A(n) 
can be written in the form ax + b = c.
A. percent B. numerical coefficient C. linear inequality in one variable D. linear equation in one variable
Mathematics
Solve the linear programming problem.Maximize 5x1 + 8x2subject to x1 - x2 ? 2 -x1 + 6x2 ? -3and x1 ? 0, x2 ? 0
A. Unbounded
B. Maximum = 10 when x1 = 2 and x2 = 0
C. Maximum = 
when x1 = 
and x2 = - 
D. Infeasible
Mathematics