Solve.A building has an entry with the shape of a parabolic arch 6 ft high and 24 ft wide at the base. Find an equation for the parabola if the vertex is put at the origin of the coordinate system.A = 6 ftB = 24 ft
A. x2 = -24y
B. x2 = -96y
C. y2 = -96x
D. y2 = -24x
Answer: A
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Give the numerical coefficient of the term.z
A. 1 B. z C. -1 D. 0
Use the definition to find an expression for the instantaneous velocity of an object moving with rectilinear motion according to the given function relating s (in ft) and t (in s).s = 3t4 - 7t3 + 3
A. 12t3 - 21t2 + 3 B. 3t3 - 7t2 C. 12t3 - 21t2 D. 3t3 - 7t2 + 3
Solve the problem.John earns a gross biweekly income of $1740.34. How much Social Security tax should be withheld? How much Medicare tax should be withheld? Social security tax is 6.2% and Medicare tax is 1.45%. Round to the nearest cent.
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Some primes are 1 more than a square. For example, 5 = 2 2 + 1. Can you find any other primes p so that p = n2 + 1? ?
A. 2, 5, 7, ... B. 3, 4, 17, ... C. 13, 17, 65,... D. 3, 7, 17,... E. 5, 17, 37, ...