Just replace 'x' in c(x) by d(x)
(cod) (x) = 4(x^2+5x) - 2 = 4x^2 +20x - 2
Thats it!
5x-25=5, x=6; multiply the 5 times x and negative 5, then add 25 to both sides, and divide by 5 to get 6.
Answer:
A real number is a number that can be found on the number line. These are the numbers that we normally use and apply in real-world applications.
Real Number System
There are many types of real numbers.
Here are some of them:
Natural numbers
Whole numbers
Integers
Fractions
Rational numbers
Irrational numbers
Below is a diagram of the real number system.
Real Number System
Real numbers are mainly classified into rational and irrational numbers.
Rational numbers include all integers and fractions.
All negative integers and whole numbers make up the set of integers.
Whole numbers comprise of all natural numbers and zero.
Real Number System
Step-by-step explanation:
mark me as brainlist
I’m pretty sure that it is 18$ if I’m not mistaking
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