Determine algebraically whether the function is even, odd, or neither even nor odd.f(x) = -0.74x2 + ?x? + 7
A. Even
B. Odd
C. Neither
Answer: A
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Rephrase the statement in the requested symbolic form.contrapositive of ~a ? ~b
A. b ? a B. ~a ? b C. ~b ? ~a D. a ? b
Solve the problem.The intensity of a radio signal from the radio station varies inversely as the square of the distance from the station. Suppose the the intensity is 8000 units at a distance of 2 miles. What will the intensity be at a distance of 12 miles? Round your answer to the nearest unit.
A. 205 units B. 186 units C. 222 units D. 248 units
Determine whether the graph is the graph of a function.
A. Not a function B. Function
Solve the problem.If friction is ignored, the time t (in seconds) required for a block to slide down an inclined plane is given by the formula t = 
where a is the length (in feet) of the base and g ? 32 feet per second per second is the acceleration of gravity. How long does it take a block to slide down an inclined plane with base a = 8 when 
If necessary, round the answer to the nearest tenth of a second.
A. 1.1 sec B. 1 sec C. 1.2 sec D. 0.3 sec