Multiply.(5x + 3)(-3x - 2)
A. 2x2 - 19x - 19
B. -15x2 - 19x - 19
C. -15x2 - 19x - 6
D. 2x2 - 19x - 6
Answer: C
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Solve the polynomial inequality. Express the solution in interval notation.(x + 6)(x - 3)(x - 4) > 0
A. (-?, 3) B. (-6, 3) ? (4, ?) C. (4, ?) D. (-?, -6) ? (3, 4)
The given pattern continues. Write down the nth term of the sequence {an} suggested by the pattern.0, 2, 6, 12, 20, ...
A. an = n2 - n B. an = 4n - 6 C. an = 2n - 2 D. an = 2n-1 - 1
Solve the problem.The following table gives the amount of carbon dioxide being released into the atmosphere from a certain foreign country.Years (after 2000)Carbon Dioxide (tons)017119.4221.3323425.5(a)Find the least-squares line for this data.(b) If the trend continues, when will the number of tons reach 28?
What will be an ideal response?
Simplify: 4(x+5)
A) 5x + 5 B) 20x + 20 C) 4x + 5 D) 20x + 9 E) 4x + 20