Exercise 1 Directions: Write a system of linear inequalities to model the given real-life situation.
Real-life Situation
System of linear inequalities
model
1. A calamansi juice (c) and a slice of buko pie (
b) cost at most P60. A slice of buko pie's price is
at most 5 times the price of a calamansi juice.
2. A group of tourists is planning a trip to Boracay
this December. At least 12 people must sign up for
the trip, or it will be cancelled. The number of boys
(x) in the group is at most twice the number of girls
0).
3. The daily allowance of Anne (a) is at most ten
more than twice the allowance of her sister,
Rowena (r). Together, they are given at most
Php100 a day.
4. A house (h) and lot (/together in a subdivision
cost at least Php 800 000.A house is more than
thrice the cost of a lot.

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Step-by-step explanation:

option a.

step-by-step explanation:

if you look closely at the graph, we can notice that the function is not defined at two different points.

if you look at functions b and c, you will notice that both functions are not defined at just one point. the function b is not defined at x= -5/2 and function c is not defined at x=-5. both options are discarded, given that our function should not be defined at two fiferent points.

now, if you look closely at the graph you will notice that the function sketched is not defined at x=5 and x=-2.

spinning a 1, 2, or 3. option d.

step-by-step explanation: when spinning a number graph up to 4, and aiming for any number less than 3, that automatically eliminates the number 4. now you have two numbers to spin on that are less than 3, but the number 3 is included in this question because it's no greater of an number than itself. i hope this you : )