(5x³ + 3xz² - 17z) - (4xz² + 5z - 2x³) = ?
A.) 7x³ - xz² - 22z B.) 7x³ - xz² - 12z C.) 3x³ - xz² - 12z D.) 3x³ + 7xz² - 22z E.) 3x³ + 7xz² - 12z
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If 30% of x equals 60% of y, which of the following expresses y in terms of x?
A.) y = 33% of x B.) y = 50% of x C.) y = 66% of x D.) y = 150% of x E.) y = 200% of x
Let the function f(x) be defined as f(x) = 5x² - 7(4x + 3). What is the value of f(3)?
A.) -18 B.) -26 C.) -33 D.) -60 E.) -75
Given f(x) = 3x + 5 and g(x) = x² - x + 7, which of the following is an expression for f(g(x))?
F.) 3x² - 3x + 26 G.) 3x² - 3x + 12 H.) x² - x + 12 J.) 9x² + 25x + 27 K.) 3x² + 21
Let the function g be defined by g(x) = 3(x² - 2). When g(x) = 69, what is a possible value of 2x - 3?
F.) -7 G.) -5 H.) 2 J.) 5 K.) 7
What are the solutions for the equation 3x² - 5x + 2 = 0?
F.) x = -1 or -3/2 G.) x = 1 or 2/3 H.) x = -5 or 2/3 J.) x = 2/5 or 1 K.) x = -1 or 3/2
A company earned a profit of $8.0 million each year for 3 consecutive years. For each of the next 2 years the company earned a profit of $9.0 million. For this 5-year period, what was the company's average yearly profit, in millions of dollars?
A.) 8.2 B.) 8.25 C.) 8.4 D.) 8.5 E.) 8.6 |
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