Solve the problem.A bridge is built in the shape of a parabolic arch. The bridge arch has a span of 190 feet and a maximum height of 40 feet. Find the height of the arch at 15 feet from its center.
A. 39 ft
B. 4 ft
C. 13.4 ft
D. 0.2 ft
Answer: A
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Use the distributive property to write the expression without parentheses. Then simplify, if necessary.7(5x + 6) - 4
A. 35x + 14 B. 35x + 2 C. 35x + 38 D. 12x + 9
Solve the problem. Use a calculator with an LN or a LOG key.The height in meters of girls of a certain tribe is approximated by 
where t is the girl's age in years and 
Estimate the height (to the nearest hundredth of a meter) of a girl of the tribe 4 years of age.
A. 1.12 m B. 0.52 m C. 0.77 m D. 0.96 m
Represent the circuit with a logical form.
A. (p ? q) ? r B. p ? (q ? r) C. p ? q ? r D. p ? (q ? r)
Use implicit differentiation to find the specified derivative at the given point.Find 
at the point (1, 0) for cos xy + yex = 0.
A. 1
B. 
C. e
D. 0