Mastering Math Skills: A Guide to Success in Every Step

Unlock your mathematical potential with "Mastering Math Skills"! This comprehensive guide is designed to help students of all levels build a strong foundation in math. With clear explanations, engaging examples, and practical tips, you’ll conquer challenging concepts and gain confidence in your abilities. Whether you're preparing for exams or just looking to sharpen your skills, this resource is your key to success every step of the way!

1. GENERAL
MATHEMATICS
“EVALUATING FUNCTIONS”

2. LET’S RECALL:
A person is earning P750.00 per day to do a certain job.
Express the total salary Sas a function of the number nof
days that the person works.

3. LET’S RECALL:
A person is earning P750.00 per day to do a certain job.
Express the total salary Sas a function of the number nof
days that the person works.
s(n) = 750(n)

4. LET’S RECALL:
Xandriarides through a jeepney which charges 9.00 for the
first 4 kilometersand additional P O.50 for each additional
kilometer. Express the jeepney fare (F) as function of the
number of kilometers (d) that Xandriapays for the ride

5. LET’S RECALL:
Xandriarides through a jeepney which charges 9.00 for the
first 4 kilometersand additional P O.50 for each additional
kilometer. Express the jeepney fare (F) as function of the
number of kilometers (d) that Xandriapays for the ride
s(n) =
9, if d <4
9 + 0.50 x (d-4), if d >4{

6. 1.x-9
2.3x + 7
3.X
2
+ 4x –10
4.2x
2
–6x + 26
5.3x
3
-6
Solve This: if x = 3

7. REMEMBER:
1.Replace each letter in the expression with the assigned
value.
2.Perform the operations in the expression using the correct
order of operations.
PEMDAS
PARENTHESIS | EXPONENT | MULTIPLICATION & DIVISION |
ADDITION & SUBTRACTION

8. 1.Given f(x) = 6x − 4, find the
value of the function if x = 3
EXAMPLE:

9. 1. Given f(x) = 2x − 4, find the value of the
function if x = 3
2. Given f(x) = 3x –6, find the value of the
function if x = 2
3. Given g(x) = 3x
2
+ 7, find g(−3) .
4. Given p(x) = 3x
2
+ 5x -2, find p(0) and p(−1) .
5. Given g(x) = √(3x-2) , find g(9)
Solve This:

10. 1.Given h(x) = (4x+8)/(2x-4) , find the value of function if x= -5
2.Evaluate the function h(x) = ⌊x⌋+2 where ⌊x⌋is the greatest
integer function given x=2.4
3.Evaluate the function f(x) = |x-8| where |x-8| means the
absolute value of x-8 if x=3.
4.Evaluate the function f(x) = x
2
–2x + 2 at x=(2x-3).
Solve This:

11. Practice: