3 years ago

If f(x)equals 2xminus5 and j(x)equals f(x)plus3, write the equation for j(x).

Mathematics

1 answer:

yanalaym [24]3 years ago

8 0

F(x)=2x-5
j(x)=f(x)+3=2x-5+3=2x-2

j(x)=2x-2

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Y = -12 when<br> x = -3 ,<br> find y when<br> x = -1 .

Juliette [100K]

Answer:

y=-4

Step-by-step explanation:

If y=4x

and y=-1

y=-1×4

y=-4

7 0

3 years ago

A cube has a volume of 512 mm^3. If all sides of the cube are divided by 4, what will the resulting volume be?

pshichka [43]

$\bf \textit{volume of a cube}\\\\
V=s^3\qquad \boxed{s=\frac{s}{4}}\implies V=\left( \cfrac{s}{4} \right)^3\implies V=\cfrac{s^3}{4^3}\implies V=s^3\cdot \cfrac{1}{4^3}
\\\\\\
V=s^3\cdot \cfrac{1}{64}\impliedby \frac{1}{64}\textit{ of the original volume, if the original was 512}
\\\\\\
512\cdot \cfrac{1}{64}\implies \cfrac{512}{64}$