Subtract and simplify. Write the answer as a mixed number as needed.6
- 5
A. 61
B. 1
C. 
D. 1
Answer: B
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Determine if the piecewise defined function is differentiable at the origin.g(x) = 
A. Not differentiable B. Differentiable
Collect like terms.-11x2 - 9x - 2x
A. -11x2 + 7x B. -11x2 - 11x C. -11x2 - 7x D. -22x3
Evaluate the function. Round to two decimal places.Evaluate 900(0.05)0.3t for t = 0.
A. 45 B. 1 C. 13.5 D. 900
Solve the problem.Dombro Construction Company needs to cut an arch for the top of a doorway. The arch needs to be 10 feet wide and 2 feet high. The arch will be a section of a circle, drawn using a stretched string with a pencil attached at the end as a compass. Using the coordinate system as shown in the drawing, find the y-coordinate of the point on the y-axis that would be the center of the circle. Round to the hundredths place.
?a = 5
A. 52.5 B. 5.83 C. 4.57 D. -5.25