Graph y = f(x). Write the domain of f in interval notation.f(x) = (x + 6)1/4
A. [0, ?)
B. [-6, ?)
C. [6, ?)
D. [0, ?)
Answer: B
Mathematics
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Find the expected value of the random variable in the experiment.A bag contains six marbles, of which four are red and two are blue. Suppose two marbles are chosen at random and X represents the number of red marbles in the sample.
A. 1.33 B. 1 C. 1.4 D. .933
Mathematics
Factor completely. If the polynomial is prime, so state.21 + 30x2 - 57x
A. (5x - 7)(6x - 3) B. (5x + 7)(-6x + 3) C. (5x - 7)(6x + 3) D. prime
Mathematics
Use the Factor Theorem to determine whether x - c is a factor of f(x).f(x) = x4 - 12x2 - 64; x - 4
A. Yes B. No
Mathematics
Simplify by removing grouping symbols and combining like terms.3[a - b(2a - 3b) - 3b2]
A. 3a - 9b - 6ab - 9b2 B. 3a - 6ab C. 3a - 6ab - 18b2 D. 3a - 2ab
Mathematics