Find the function value.Let f(x) = x2 - 2x + 5. Find f(4).
A. 29
B. 3
C. 13
D. 19
Answer: C
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Use the figure to answer the question.The average amount of weekend television viewing of high school students is shown below and used to create a frequency table.
Frequency Distribution Table
Which interval has the greatest amount of students?
A. 9-10 B. 5-6.5 C. 3-4.5 D. 7-8.5
Write the expression in the standard form a + bi.i3
A. 1 B. i C. -1 D. -i
Solve the problem.For f(x) = 9 - 2
and g(x) = 5 + 4
. Find an equation for f + g.
What will be an ideal response?
Solve the problem.The amount of water (in gallons) in a leaky bathtub is given in the table below. Using a graphing utility, fit the data to a third degree polynomial (or a cubic). Then approximate the time at which there is maximum amount of water in the tub, and estimate the time when the water runs out of the tub. Express all your answers rounded to two decimal places.
A. maximum amount of water after 8.23 minutes; water runs out after 19.73 minutes B. maximum amount of water after 5.31 minutes; water never runs out C. maximum amount of water after 5.31 minutes; water runs out after 8.23 minutes D. maximum amount of water after 5.37 minutes; water runs out after 11.06 minutes