Use the vertex and intercepts to sketch the graph of the quadratic function.f(x) = x2 + 8x + 7
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use the order of operations to simplify the expression.
? 
? 
A. 2
B. 
C. 
D. 1
Mathematics
Find the exact value of the indicated trigonometric function of ?.sin ? = - 
, tan ? > 0Find sec ?.
A. - 
B. - 
C. - 
D. 
Mathematics
Solve. 9 = t – 5
A) t = 4 B) t = 14 C) t = –14 D) t = –4 E) no solution
Mathematics
Evaluate the expression without using a calculator.
?
A. 
B. 
C. 
D. 78125
E. -78125
Mathematics