Write summation notation for the expression.h(x1) + h(x2) + h(x3) + h(x4) + h(x5) + h(x6)
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. no solution; ? B. {(0, 0)} C. {(-1, 1)} D. {(-1, -1)}
Mathematics
Determine whether the positive or negative sign makes the equation correct. Do not use a calculator.tan 
= ±
A. Positive B. Negative
Mathematics
Discuss the symmetry of the graph of the polynomial function.f(x) = x2 + 2x - 8
A. None B. Symmetric about x = - 1 C. Symmetric about y = 1 D. Symmetric about x = 1
Mathematics
Referring to triangle ABC, find the area of the triangle.
?
?
Round to three significant digits.
?
A. 45,500 inches2 B. 46,000 inches2 C. 45,600 inches2 D. 45,700 inches2 E. 45,300 inches2
Mathematics