Graph the parabola and give its vertex, axis, x-intercepts, and y-intercepts.f(x) = x2 + 2x + 1
A. vertex (1, 1); axis is x = 1;
no x-intercepts; y-intercept is 2
B. vertex (-1, 0); axis is x = -1;
x-intercept is -1; y-intercept is 1
C. vertex (1, 0); axis is x = 1;
x-intercept is 1; y-intercept is 1
D. vertex (-1, 1); axis is x = -1;
no x-intercepts; y-intercept is 2
Answer: B
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Convert the number to binary form.6BDsixteen
A. 10110101110two B. 11010111101two C. 11010111011two D. 10011011101two
Set up an integral for the length of the curve.y = 2 cot x, 
? x ? 
A. 
B. 
C. 
D. 
Solve the problem.Write an equation for all points that are 8 units from (-5, 10).
A. (x + 5)2 + (y - 10)2 = 64 B. (x - 5)2 - (y + 10)2 = 64 C. (x - 5)2 + (y + 10)2 = 64 D. (x + 5)2 + (y - 10)2 = 8
Use front-end rounding to round each number. Then, add or subtract the rounded numbers to get an estimated answer. Finally, find the exact answer.estimate exact
A. Estimate: 14,000; exact: 14,577.74 B. Estimate: 15,000; exact: 15,577.74 C. Estimate: 14,000; exact: 14,477.74 D. Estimate: 15,000; exact: 15,477.74