Evaluate the expression.71
A. 7
B. 1
C. -7
D. 
Answer: A
Mathematics
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Express the given function as a composite of functions f and g such that y = f(g(x)).y = 
A. f(x) = 
, g(x) = 5x + 4
B. f(x) = 
, g(x) = 6
C. f(x) = 
, g(x) = 5x + 4
D. f(x) = 6, g(x) = 
Mathematics
Graph the function. State the domain and range.y = 2x2 + 8x + 7
A. 
Domain: ? Range: y ? - 1
B. 
Domain: ? Range: y ? - 1
C. 
Domain: ? Range: y ? - 1
D. 
Domain: ? Range: ?
Mathematics
Write the complex number in rectangular form.3
A. 
+ 
i
B. 
+ 
i
C. 
+ i
D. 
+ 
i
Mathematics
Find the indicated matrix.Let A = 
and B = 
. Find 
A. 
B. 
C. 
D. 
Mathematics