Find the numbers at which f is continuous. At which numbers is f discontinuous?f(x) = -4x2 + 5x
A. continuous for all real numbers
B. continuous for all real numbers except x = - 
C. continuous for all real numbers except x = -4
D. continuous for all real numbers except x = 
Answer: A
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Provide an appropriate response.Do as indicated: $13,208 × 42 - $47 × 102 =
A. $55,468,900 B. $8.508 C. $550,036 D. $12.708
Use formulas for perimeter and area to solve the problem.Jordan has a trapezoidal yard. Part of the yard is covered by his home, and the rest is covered in grass. Use the drawing to determine how many square feet of grass are in the yard.
A. 5,759 ft2 B. 10,775 ft2 C. 4,847 ft2 D. 5,928 ft2
Solve. Write results using scientific notation.The earth is approximately 92,900,000 miles from the sun. If 
what is the distance to the sun in meters?
A. 5.7 x 1010 m B. 1.50 x 1011 m C. 1.50 x 1010 m D. 5.7 x 10-10 m
Find the product.7(8r + 4 + 9s)
A. 56r + 28 + 63s B. 56r + 28 + 9s C. 56r + 4 + 63s D. 56r + 4 + 9s