Evaluate or simplify the expression without using a calculator.log 102
A. 2
B. log 2
C. 102
D. 10
Answer: A
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. (2-2)0
A. 1
B. 
C. 0
D. -4
Solve the problem.A church steeple casts a shadow 108 ft long, and at the same time a 9.0-ft post casts a shadow 7.0 ft long. How high is the steeple? Round to the nearest unit.
A. 111 ft B. 84 ft C. 8 ft D. 139 ft
Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic expressions. Give the exact answer.log5(6x + 5) = log5(6x + 2)
A. {3}
B. 
C. {0}
D. ?
Solve the problem.A projectile is fired from a cliff 500 feet above the water at an inclination of 45° to the horizontal, with a muzzle velocity of 190 feet per second. The height h of the projectile above the water is given by 
where x is the horizontal distance of the projectile from the base of the cliff. Find the maximum height of the projectile.
A. 1346.09 ft B. 782.03 ft C. 564.06 ft D. 282.03 ft