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WorksheetsREMEDIAL AND REVIEW IN GEN MATH
Total questions: 23
Worksheet time: 12mins
Which of the following best describes a function?
A set of ordered pairs where each input has exactly one output.
A collection of points plotted on a graph.
A relation that can have multiple outputs for a single input.
All of the above
What is domain of a function?
The set of all possible outputs.
The range of the function.
The set of all inputs
The difference between the range and the domain.
What is the range of a function?
.
The set of all possible inputs.
The domain of the function
The set of all outputs
all of these
Which of the following is NOT a function?
{(1,2), (1,3), (2,4)}
{(1,5), (2,3), (7,4)}
{(1,2), (3,5), (2,4)}
{(0,2), (9,3), (11,4)}
Which of the following is a function?
{(1, 2), (1, 3), (2, 2)}
{(1, 4), (2, 5), (3, 6)}
(1, 2), (1, 2), (2, 5)}
none of these
A function can be represented in which of the following forms?
A table
A graph
An equation
.all of the above
Which is a real-life function?
Rolling a dice
A coin toss outcome
A taxi fare that increases with distance
Lottery draws
The vertical line test is used to:
Solve equations
Find intercepts
Identify functions
Plot graphs
What is 𝑓(6) for the functions𝑓(𝑥) = 2x+4?
16
144
10
20
If 𝑓(𝑥) = 𝑥 − 1 𝑎𝑛𝑑 𝑔(𝑥) = 2𝑥 − 2, 𝑡ℎ𝑒𝑛 (𝑓 + 𝑔)(𝑥) = .
3 x -3
x + 3
3x-1
all of these
If 𝑓(𝑥) = 9𝑥 𝑎𝑛𝑑 𝑔(𝑥) = 3𝑥 − 2, 𝑡ℎ𝑒𝑛 (𝑓. 𝑔)(𝑥) = .
What is 𝑓(6) for the functions𝑓(𝑥) = 3𝑥 − 8.
none of these
8
144
10
If 𝑓(𝑥) = 5𝑥+ 9 𝑎𝑛𝑑 𝑔(𝑥) = 𝑥 + 2, 𝑡ℎ𝑒𝑛 (𝑓 + 𝑔)(𝑥) = .
7x + 11
6x + 11
4x + 7
4x + 11
If 𝑓(𝑥) = 2𝑥 + 3 𝑎𝑛𝑑 𝑔 = −3𝑥 − 4, 𝑓𝑖𝑛𝑑 𝑓 ( 𝑔(𝑥) )
-6 x - 1
5x + 7
3 +x
4
Which of the following situations can be modeled by a piecewise function?
A taxi fare that charges a fixed rate for the first kilometer and another rate per additional kilometer.
A quadratic function that models projectile motion.
A simple interest formula.
A circle equation.
Which of the following BEST defines a function?
A relation where each input is paired with exactly one output.
A relation where one input can have many outputs.
A set of ordered pairs with no restrictions.
A graph that forms a circle.
0
Undefined
1
5
5
-5
0
1/5
x
x+10
2x
2x +10
x + 10
x
2x
0
-5x+25
5x -25
-5x -25
-25
A taxi charges a minimum fare of ₱40 for the first 2 kilometers. For every additional kilometer beyond 2 kilometers, the fare is ₱15 per kilometer. How much will a passenger pay for a ride of 10 kilometers?
A taxi charges a minimum fare of ₱40 for the first 2 kilometers. For every additional kilometer beyond 2 kilometers, the fare is ₱15 per kilometer. How much will a passenger pay for a ride of 10 kilometers?
160
150
120
90
