Determine the domain and the range of the function.f(x) = -x2 + 2x
A. domain: {x|x? -1}
range: {y|y ? 1}
B. domain: {x|x ? 1}
range: {y|y ? 1}
C. domain: all real numbers
range: {y|y ? 1}
D. domain: all real numbers
range: {y|y ? -1}
Answer: C
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Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.Foci at (-20, 0), (20, 0); asymptotes: y = 
x, y = - 
x
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Find the coordinates of the point C shown below.
?
?
?
A. (-2, 3) B. (3, -2) C. (-4, -5) D. (-5, -4) E. (-5, -2)
Solve the problem by using addition, subtraction, multiplication, or division as needed.Luisa's car used 21 gallons of gasoline when she drove it 651 miles. How many miles per gallon did it get?
A. 630 miles per gallon B. 66 miles per gallon C. 31 miles per gallon D. 21 miles per gallon
Find the derivative.s = t7cos t - 5t sin t - 5cos t
A. t7 sin t - 7t6 cos t + 5t cos t B. - 7t6 sin t - 5 cos t + 5 sin t C. - t7 sin t + 7t6 cos t - 5t cos t - 10 sin t D. - t7 sin t + 7t6 cos t - 5t cos t