When multiplying decimals how do you determine where yo place the decimal in the answer?

1 answer:

3 0

1.Multiply the numbers just as if they were whole numbers.
 *Line up the numbers on the right - do not align the decimal points.

 *Starting on the right, multiply each digit in the top number by each digit in the bottom number, just as with whole numbers.

 *Add the products.

 *Place the decimal point in the answer by starting at the right and moving a number of places equal to the sum of the decimal places in both numbers multiplied.

I hope this Helped!

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For f(X)=2x+1 and g(X)=x^2,find (f-g)(X)

Bezzdna [24]

The answer for f(x)-g(x) is $-x^2+2x+1$ .The solution can be obtained by use of concept of functions.

<h3>What is a function?</h3>

A function, in mathematics, can be defined as an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable).It useful in mathematical representation of scientific quantities.

We can perform addition and subtraction operations on functions.

The given function f(x) and g(x) are

$f(x)=2x+1\\g(x)=x^2\\f(x)-g(x)=2x+1-x^2\\f(x)-g(x)=-x^2+2x+1$