
Functions
Quiz by Juli
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- Q1Which of the following relations is considered a function?(-3,4), (4,-5), (8,0), (8,9)(3,90), (4,54), (6,71), (6,90)(3,4), (4,5), (6,9), (8,9)(13,14), (13,5), (16,7), (18,13)30s
- Q2The following four graphs represent relationships between x, plotted along the horizontal axes, and y, plotted along the vertical axes. Which of the four represents a function?Justify you answer. (Explain)Users enter free textType an Answer30s
- Q3Consider the following sequence. Determine if the sequence is arithmetic or geometric and find the next term.Geometric sequence; 512Geometric sequence; 330Arithmetic sequence; 330Arithmetic sequence; 51230s
- Q4Consider the following sequence. Select the explicit formula that represent the sequence.30s
- Q5Consider the following sequence. Find the 8th term.Users enter free textType an Answer30s
- Q6A bank is maintaining an inactive account containing $250. Due to a change in bank policy, all accounts are to be charged a $4 fee each month. Which function gives the amount in the account after n months following the policy change?a(n) = 4n − 250a(n) = −4n + 254a(n) = −254n + 4a(n) = 250n − 430s
- Q7Consider the following table. Determine if the function is linear or exponential and write an equation.Exponential; f(x) = 10x + 8Linear; 8x + 10Exponential; f(x) = 10 (8)ˣLinear; 10x + 830s
- Q8Consider the following table. Determine if the function is linear or exponential and write an equation.Linear; 10 (2)ˣExponential; f(x) = 2x + 10Exponential; f(x) = 10 (2)ˣLinear; 2x + 1030s
- Q9Complete the statement. Arithmetic sequences and 1)______________ functions have a constant rate of change while geometric sequences and 2)_______________ functions have a common ratio to show growth.1) linear and 2) exponential1) exponential and 2) linear1) quadratic and 2) linear1) slope and 2) y-intercept30s
- Q10
Consider the following sequence. Find the 11th term: 3, 9, 27, 81, 243, . . .
Users enter free textType an Answer30s - Q11
Consider the following function. Which of the following describe the sequence modeled by the function? Select all that apply.
The sequence the function model is geometric.
The sequence the function model is arithmetic.
This is not a sequence
30s - Q12
Which of the following relations is NOT considered a function?
(−3,4),(4,−5),(0,0),(8,9)
(13,14),(13,5),(16,7),(18,13)
(3,90),(4,54),(6,71),(8,90)
(3,4),(4,5),(6,7),(8,9)
30s - Q13
If added to the table, which point below would make it not a function?
(0,8)
(3,2)
(−5,−10)
(1,10)
30s - Q14
Is the relation below a function? Why or why not?
The relation is a function.
The relation is not a function because 3 and 6 both map to 1.
The relation is not a function because 0 maps to 0.
The relation is not a function because 6 maps to 1 and 3.
30s - Q15
Which function family does the graph below belong to?
Square Root
Exponential
Linear
Cubic
Absolute Value
Quadratic
30s