Help with functions right quick? :) please
1 answer:
The answer is: [B]: -4 .
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Here is the problem:
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"Find f(3)."
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f(x) =
;
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Since we are asked to find: " f(3)" ; we consider the number, "3", which is GREATER THAN OR EQUAL TO "-2" ; (that is, " 3
-2" ;
and f(x) = -4 if x -2 .
_____________________________________________________
So, in this case, f(x) = f(3) = -4 ; which is: "Answer choice: [B] ".
_____________________________________________________
_____________________________
Here is the problem:
_____________________
"Find f(3)."
_______________________
f(x) =
______________________________________
Since we are asked to find: " f(3)" ; we consider the number, "3", which is GREATER THAN OR EQUAL TO "-2" ; (that is, " 3
and f(x) = -4 if x
_____________________________________________________
So, in this case, f(x) = f(3) = -4 ; which is: "Answer choice: [B] ".
_____________________________________________________
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The <u>correct answer </u>is:
x²+2x+3.
Explanation:
We need to divide each term of the numerator by the denominator. For the <u>first term</u>:
Dividing the coefficients, we have 5/5 = 1.
When dividing the variables, we use the quotient rule: when dividing powers that have the same base, subtract the exponents. This gives us:
x³/x = x³/x¹ = x³⁻¹ = x²
For the first monomial, this gives us 1x² = x².
The <u>second term</u>:
Dividing the coefficients, we have 10/5 = 2.
Dividing the variables, we again use the product rule:
x²/x = x²/x¹ = x²⁻¹ = x¹ = x
Together this gives us 2x.
The <u>third term</u>:
Dividing the coefficients, we have
15/5 = 3.
Dividing the variables, we have x/x; when you divide something by itself, the answer is 1. This gives us:
3*1 = 3.
Together our quotient is x²+2x+3.
x²+2x+3.
Explanation:
We need to divide each term of the numerator by the denominator. For the <u>first term</u>:
Dividing the coefficients, we have 5/5 = 1.
When dividing the variables, we use the quotient rule: when dividing powers that have the same base, subtract the exponents. This gives us:
x³/x = x³/x¹ = x³⁻¹ = x²
For the first monomial, this gives us 1x² = x².
The <u>second term</u>:
Dividing the coefficients, we have 10/5 = 2.
Dividing the variables, we again use the product rule:
x²/x = x²/x¹ = x²⁻¹ = x¹ = x
Together this gives us 2x.
The <u>third term</u>:
Dividing the coefficients, we have
15/5 = 3.
Dividing the variables, we have x/x; when you divide something by itself, the answer is 1. This gives us:
3*1 = 3.
Together our quotient is x²+2x+3.