Solve the problem.Suppose that f(x) = 2x + 7. What is f(2)? What point is on the graph of f?
A. 4; (7, 4)
B. 4; (2, 4)
C. 11; (2, 11)
D. 11; (2, 4)
Answer: C
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Translate to an equation. Do not solve.46% of what is 63?
A. 46% + m = 63 B. 46% × m = 63 C. 46% × 63 = m D. 46% = m × 63
Evaluate the expression. ? P(5, 4)
Fill in the blank(s) with the appropriate word(s).
Solve the problem. The data in the table was obtained for a gas at constant temperature. The gas was contained in a syringe and the volume of the gas was varied by squeezing the syringe. The pressure (in atmospheres) of the gas was measured for various volumes (in cm3) of the gas.
Let P be the pressure (in atm) of the gas when the volume is V (in cm3). Find an equation of a model to describe the data. Use the point (8, 1.17) to find the constant of variation. In a sentence that uses the phrase "varies directly" or "varies inversely", describe how the volume and pressure of the gas are related. Use the model you found to estimate the volume of the gas if the pressure is 0.80 atm.
What will be an ideal response?
Combine like terms.3x - 7x
A. -4x2 B. 10x C. -4x D. 4x