Use a grapher to find the vertex or x-intercepts, as indicated, of the quadratic function.Find the x-intercepts of the function f(x) = 2.47x2 + 3.789x - 8.37. Round to two decimal places if needed.
A. (1.84, 0), (-2.76, 0)
B. No x-intercepts
C. (1.23, 0), (-2.76, 0)
D. (2.76, 0), (-1.23, 0)
Answer: C
Mathematics
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Use implicit differentiation to find the specified derivative at the given point.Find 
at the point (4, 6, 6) for 4x2 + 6 ln xz + 6yz2 + 5ez = 0.
A. 
B. - 
C. - 
D. - 
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Solve the problem.A supply function for a certain product is given by S(p) = 0.07p3 + 2p2 + 11p + 10. Approximately how many more units will a seller supply when the price changes from 
per unit to $15.50 per unit?
A. 48 B. 6 C. 24 D. 59
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Using the horizontal-line test, determine whether the function is one-to-one.
A. one-to-one B. not one-to-one
Mathematics
Convert.68 kilometers = ____ meters
A. 0.68 B. 68,000 C. 0.068 D. 6800
Mathematics