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4 years ago

True or False: The following relation is a function. {(−5,−7),(0,4),(−5,3),(9,4)}

Mathematics

1 answer:

snow_lady [41]4 years ago

5 0

the answer is that it is false

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What is 8x+11<6x+1 <br><br> X=?

sladkih [1.3K]

Answer:

x<-5 . All you have to do is pemdas which is parentheses,exponents, multiplication, division, addition and subtraction

7 0

3 years ago

Solve the following inequality: 6x - 9 ≥ 11x - 17.

Juli2301 [7.4K]

Answer:

x ≤8/5

Step-by-step explanation:

6x - 9 ≥ 11x - 17

Subtract 6x from each side

6x -6x-9 ≥ 11x - 17-6x

-9 ≥ 5x- 17

Add 17 to each side

-9+17≥ 5x - 17+17

8≥ 5x

Divide each side by 5

8/5≥ 5x /5

8/5≥ x

5 0

3 years ago

Solve 3(x - 4) = 11x

Ivanshal [37]

Answer:

$x = \frac{-3}{2}$

Step-by-step explanation:

3(x - 4) = 11x

Expand the brackets:

3x - 12 = 11x

Subtract 3x from both sides to isolate the -12:

3x - 12 = 11x

3x - 3x - 12 = 11x - 3x

-12 = 8x

8x = -12

Divide both sides by 8:

$\\\frac{8x}{8} = \frac{-12}{8}\\x = \frac{-12}{8}\\$

Simplify fraction:

$x = \frac{-12}{8}$

$x = \frac{-12 \div 4}{8 \div 4}\\x = \frac{-3}{2}$

Hope this helps!

7 0

3 years ago

For some unknown function f(x), we are told that lim x --> 0 ( f(x)-3 ) / 5x = 7

Viktor [21]

$\bf \lim\limits_{x\to 0}\ \cfrac{f(x)-3}{5x}=7\\\\
-----------------------------\\\\
 \cfrac{f(x)-3}{5x}=7\implies f(x)-3=35x\implies \boxed{f(x)=35x+3}\\\\
-----------------------------\\\\

\lim\limits_{x\to 0}\ \cfrac{\boxed{35x+3}-3}{5x}\implies \cfrac{35x}{5x}\implies 7$

7 0

4 years ago

What is the answer <br> -3x+33=12

Ierofanga [76]

Answer:

x = 7

Step-by-step explanation:

First, move the variables and numbers to the opposite sides

-3x = 12 - 33

Then add and subtract

-3x = -21

Divide and multiply

-x = -7

x = 7

3 0

4 years ago