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: 49; exact: 44.66
B. Estimate: 49; exact: 53.66
C. Estimate: 49; exact: 54.66
D. Estimate: 50; exact: 55.66
Answer: C
Mathematics
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Assuming that the equations define x and y implicitly as differentiable functions 
find the slope of the curve 
at the given value of t.x = t sin t + t, y cos t + y = 2t, t = 
A. 
B. 
C. 2 + ?
D. - 
Mathematics
Provide an appropriate response. Determine the degree measure of ? if sin ? = 0.7022 rounded to the nearest tenth.
A. 45.4° B. 44.6° C. 0.8° D. 35.1°
Mathematics
Find the y-intercept of the polynomial function.f(x) = x2(x - 6)(x - 4)
A. 24 B. 0 C. -6 D. -24
Mathematics
Find the center and the radius of the circle.(x - 3)2 + (y + 5)2 = 25
A. (-5, 3), r = 5 B. (5, -3), r = 25 C. (-3, 5), r = 25 D. (3, -5), r = 5
Mathematics