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matrenka [14]
3 years ago
14

Please Hurry!!!! Find f(-5) if f(x) = 5x + 11.

Mathematics
1 answer:
Naya [18.7K]3 years ago
4 0

Answer:

-14

Step-by-step explanation:

f(-5)=5(-5)+11

f(-5)= -25+11

f(-5)= -14

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6.29 rounded to a whole number
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If your were to round 6.29 to the nearest whole number it would round to 6, because the tenths place is less than 5.
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WILL GIVE BRAINLIEST<br><br><br> Write 2/7x(1.4x^2-3.5y) as a polynomial
olya-2409 [2.1K]

The expression (2/7)x (1.4x² - 3.5y) can be written in the form of a polynomial as 0.4x³ - xy.

<h3>What is polynomial?</h3>

Polynomial is an algebraic expression that consists of variables and coefficients. Variables are called unknown. We can apply arithmetic operations such as addition, subtraction, etc. But not divisible by variable.

The expression is given below

\rm \dfrac{2x}{7} \times (1.4x^2-3.5y)

The expression can be written in the form of the polynomial

\rightarrow \rm \dfrac{2x}{7} \times (1.4x^2-3.5y)\\\\\\\rightarrow \rm \dfrac{2x \times 1.4x^2}{7} - \dfrac{3.5y\times 2x}{7 }\\\\\\\rightarrow \dfrac{2.8x^3}{7} - \dfrac{7xy}{7 }\\\\\\\rightarrow 0.4x^3 - xy

The expression in the form of a polynomial is given as

\rm \rightarrow 0.4x^3 - xy

More about the polynomial link is given below.

brainly.com/question/17822016

#SPJ1

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2 years ago
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The answer is b.

when x decreases, f(x) decreases.
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Answer:

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I can't show how to do it by typing, but in order to solve this you multiply 4 by each of those numbers and add them up together.

If done correctly, it should equal 0.6 or 0.60 (they are the same number).

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