Determine whether the function is odd, even, or neither.f(x) = cos(x3)
A. Odd
B. Even
C. Neither
Answer: B
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Find the expected value.You are given 14 to 1 odds against drawing two hearts when two cards are selected at random from a standard deck of 52 cards (with replacement of the first card before the second card is drawn). This means that you win $14 if you succeed and you lose $1 if you fail. Find the expected value (to you) of the game. Round to the nearest cent.
A. $2.75 B. -$0.06 C. $0.06 D. -$0.91
Perform all operations in correct order.76 - (28 - 7)
A. 55 B. 41 C. 21 D. 48
Solve the problem.A piece of rectangular sheet metal is 21 inches wide. It is to be made into a rain gutter by turning up equal edges to form parallel sides. Let x represent the length of each of the parallel sides. For what value of x will the area of the cross section be a maximum (and thus maximize the amount of water that the gutter will hold)? If necessary, round to 2 decimal places.
A. 84 in. B. 42 in. C. 5.25 in. D. 10.5 in.
Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set. x - 3y = 68x - 2y = 4
A. {(1, -3)} B. {(0, -2)} C. {(2, 0)} D. Cramer's rule does not apply since D = 0; ?