Scatterplots — Unit test

Question 1

Which of the following is an odd function?

Revolt · Accepted Answer

f(x) = –x

Question 2

The graph of f(x) is shown below.If f(x) and its inverse function, , are both plotted on the same coordinate plane, where is their point of intersection?

Revolt · Accepted Answer

(2, 2)

Question 3

If a(x) = 2x - 4 and b(x) = x + 2, which of the following expressions produces a quadratic function?

Revolt · Accepted Answer

(ab)(x)

Question 4

Which graph represents the same relation as the table below?xf(x)–25011–12–3

Revolt · Accepted Answer

A coordinate plane has 4 points. The points are (negative 2, 5), (0, 1), (1, negative 1), (2, negative 3).

Question 5

A catering company uses a linear function to determine the total cost of parties. The following table shows the costs for dinner parties with varied numbers of guests. What is the cost to cater a dinner party with 90 guests?GuestsTotal Cost30$31560$555

Revolt · Accepted Answer

$795

Scatterplots — Unit test Answers

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