Factor the polynomial completely. If a polynomial cannot be factored, state that it is irreducible.24x2 - 104x - 80
A. irreducible
B. (24x + 16)(x - 5)
C. 8(3x + 2)(x - 5)
D. 8(3x - 2)(x + 5)
Answer: C
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Calculate how many times more intense an earthquake with a Richter number of 8.1 is than an earthquake with a Richter number of 6.2. Please round the answer to the whole number.
A. 84 B. 87 C. 79 D. 89 E. 81
Explain how to obtain the graph of the second function from the graph of the first function, or state that the graphs are identical.y = sin x, y = sin (-x + 2?)
A. The graphs are identical. B. Reflect the graph over the x-axis. C. Translate the graph 2? units to the right, and then reflect it over the x-axis. D. Translate the graph 2? units to the left.
Solve.Approximately 8 × 103 employees of a certain company average $30,000 each year in salary. What is the total amount earned by all the employees of this company per year? Write your answer in scientific notation.
A. $2.4 × 108 B. $24 × 109 C. $24 × 108 D. $2.4 × 109
Given the equation 
, if x decreases by 2 units, what is the corresponding change in y?
?
A. 
B. 
C. ?
D. ?
E. ?