Relations as Functions
What do you call a relation where each element in the domain is related to only one value in the range by some rules?
Function
Evaluate the function h(x) = 5x2-8x+12 given x=5.
97
g(x)=2x-4 and h(x)=2x-7. Find (g+h)(3)
1
g(x)=6x-7 and h(x)=5x-1. Find g(h(x))
30x-13
An e-jeep in San Jose del Monte costs P11.00 for the first 7 kilometres, and each additional kilometres adds P3.00 to the fare. Use a piecewise function to represent the e - jeep fare f in terms of the distance x in kilometres.
Give an equation that represents the given function?
f(x) = 3x - 10
Which of the following real-life relationships represent a function?
a. The rule which assigns to each person the name of his aunt.
b. The rule which assigns to each person the name of his father.
c. The rule which assigns to each cellular phone unit to its phone number.
d. The rule which assigns to each person a name of his pet.
c. The rule which assigns to each cellular phone unit to its phone number.
How would you classify the given tern -2x + 5 ?
binomial
If p(x) = x-1 and q(x) = x-1, what is p(x) - q(x) if x = 6
0
Given h(x ) = 5x - 1 ; g(x) = 2x +4
find f(g))(x)
10x + 19
An e-jeep in San Jose del Monte costs P13.00 for the first 7 kilometres, and each additional kilometres adds P3.00 to the fare. Use a piecewise function to represent the e - jeep fare f in terms of the distance x in kilometres.
b. Php 13.00
San Jose del Monte National High School has its own School ID which is 301060 while other school also has their own school ID. Which rule represent the given statement?
a. One-to-one
b. Many-to-one
c. One-to-many
d. Many-to-many
a. One-to-one
Find the function of the value given h(x) = 7x-11, if x = -2.
-25
Given g(x) = 5x -3 ; h(x) = 3x , what is the sum of f(x) and h(x) ?
8x - 3
Given: p(x) = 4x -10 ; q(x) = -5x + 2
Find ( q o p )(x) ?
-20x -48
A computer shop offers encoding and printing job. Lovely the owner of the computer shop charges Php 100.00 for an encoding work and an additional Php 3.00 per page of printed output.
How much will Lovely charge for encoding and 105 printed output?
Php 415
The statement “ positive times positive is equal to positive .
The statement is _________
a. always true
b. never true
c. sometimes true
d. invalid
always true
given f(x) = x -2 and g(x) = 4x
What is (f + g) (x) if x = 3
13
g(x)=2x-4 and h(x)=2x-7. Find (g+h)(3)
1
.Given : g(x) = 2x -9 ; h(x) = 3x +10
Find : g(h))(x) if x = 2
23
A proposed tricycle fare would charge Php 20.00 for the first 4 km of travel and Php 6.00 for each additional kilometer over the proposed fare.
What is the distance travelled of the tricycle if the passenger will pay Php 56.00?
10 kms
Give one reason when a Relation is a function?
x is not repeated
one to one relation
Evaluate the given function g(x) = x-1 /x² - 4 if x = 2?
undefined
Given : h(x) = -4x -10 ; g(x) = -3x -7 ; p(x) = -2x
Find the difference of h(x) and g(x) ?
-x -3
if g(x) = x +9 ; h(x) = 4x - 5
Fing h(g))(x) if x = x +2?
4x + 39
What is the Complete Name of your Gen. Math teacher?
Sally D. Mapang