Evaluate the determinant.
A. a2 + b2
B. a2 - b2
C. 0
D. 2ab
Answer: B
Mathematics
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Use a finite sum to estimate the average value of the function on the given interval by partitioning the interval and evaluating the function at the midpoints of the subintervals.f(x) = x2 - 3 on [-3, 7] divided into 5 subintervals
A. 45
B. 
C. 9
D. 12
Mathematics
Graph. Be sure to label the vertex.y = -3x2
A. 
B. 
C. 
D. 
Mathematics
Divide. Express your answer in simplest form.4
÷ 2
A. 1
B. 2
C. 1
D. 1
Mathematics
Find the exact value of the square root without a calculator.-
A. 25 B. -312 C. 312 D. -25
Mathematics