Use the vertex and intercepts to sketch the graph of the quadratic function.f(x) = x2 - 8x + 7
A. 
B. 
C. 
D. 
Answer: D
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Calculate the circulation of the field F around the closed curve C.F = (-x - y)i + (x + y)j , curve C is the counterclockwise path around the circle with radius 5 centered at (3, 10)
A. 50(1 + ?) B. 100? C. 50? D. 50(1 + ?) + 260
Solve the problem.One method to determine the time since an animal died is to estimate the percentage of 
remaining in its bones. The percent P in decimal form of 
remaining after x years is given by 
Approximate the percentage (to the nearest hundredth) of 
left after 2000 years.
A. 50.00% B. 3.88% C. 25.76% D. 78.51%
Solve. Write the fraction in simplest form.The following graph is called a circle graph or pie chart. Each sector (shaped like a piece of pie) shows the number of each color of marbles that John has: 256 are red, 160 are blue, 120 are yellow, 184 are green, and 80 are clear. What fraction of the marbles are red? Write the fraction in simplest form.
A. 
B. 
C. 
D. 
Find the product.(-2x - 3)(5x - 9)
A. -10x2 + 3x + 3 B. -10x2 + 3x + 27 C. 3x2 + 3x + 3 D. 3x2 + 3x + 27