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4 years ago

Due in 5 min please help thank you

Mathematics

2 answers:

Reil [10]4 years ago

8 0

Answer:

2nd one

Step-by-step explanation:

hows ur day mines going good

whats ur favorite song mines Nikki Sixx by doobie

NISA [10]4 years ago

6 0

Answer:

dam the number too small

Step-by-step explanation:

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HELPPPP!!!! Need the answer ASAP!!

Greeley [361]

Given that the functions $f(x)=x+4$ and $g(x)=x^{3}$

We need to determine the value of the function $(g \ {\circ} f)(-3)$

First, we shall determine the composition of the function $(g \circ f)(x)$

Function $(g \circ f)(x)$ :

Let us determine the function $(g \circ f)(x)$

Thus, we have;

$(g \circ f)(x)=g[f(x)]$

$=g[x+4]$

$=(x+4)^3$

$(g \circ f)(x)=x^3+3x^2(4)+3x(4)^2+(4)^3$

$(g \circ f)(x)=x^3+12x^2+48x+64$

Thus, the function is $(g \circ f)(x)=x^3+12x^2+48x+64$

Value of the function $(g \ {\circ} f)(-3)$ :

The value of the function can be determined by substituting x = -3 in the function $(g \circ f)(x)=x^3+12x^2+48x+64$

Thus, we have;

$(g \circ f)(-3)=(-3)^3+12(-3)^2+48(-3)+64$

Simplifying the terms, we get;

$(g \circ f)(-3)=-27+12(9)+48(-3)+64$

$(g \circ f)(-3)=-27+108-144+64$

$(g \circ f)(-3)=1$

Thus, the value of the function $(g \ {\circ} f)(-3)$ is 1.

8 0

3 years ago

PLEASE HELP! Thank you so much, I’m just a little confused.

Whitepunk [10]

The domain is the values of x from the x-axis that 'cover' the given function.

Look at the end points of the graph and the corresponding values of x on the x-axis. These go from - 5 to 4

Thus the domain is x ∈ [- 5, 4 ] ← domain

The square bracket indicates that the values of - 5 and 4 are included in the domain

Whereas (- 5, 4 ) indicates that - 5 and 4 are not included but all values in between are

The range is the values of y from the y-axis that cover the given function

Look at the minimum value and maximum value of the function along the y-axis

The minimum is 0 and the maximum is 5

range is y ∈ [0, 5 ]

To determine the value of y when x = -3

Locate x = - 3 on the x-axis, move up vertically until the line representing the function is met, and read off the corresponding y value to the right on the y-axis

The value of f(x) when x = - 3 is 2

6 0

3 years ago

Read 2 more answers

F(x)8x^2 find its inverse

olya-2409 [2.1K]

Answer:

$f^{-1}(x)=\frac{1}{2}\sqrt{\frac{x}{2}}$

Step-by-step explanation:

Given:

The function is given as;

$f(x)=8x^2$

In order to find the inverse, the steps to be followed are:

Step 1: Replace $f(x)$ by $y$ . This gives,

$y=8x^2$

Step 2: Switch 'y' by 'x' and 'x' by 'y'. This gives,

$x=8y^2$

Step 3: Solve for 'y'.

Dividing both sides by 8, we get:

$\frac{x}{8}=\frac{8y^2}{8}$

$\frac{x}{8}=y^2$ or

$y^2=\frac{x}{8}$

Taking square root on both sides, we get:

$\sqrt{y^2}=\sqrt{\frac{x}{8}}$

$y=\frac{1}{2}\sqrt{\frac{x}{2}}$

Now, we replace 'y' by $f^{-1}(x)$ .

Therefore, the inverse of the given function is:

$f^{-1}(x)=\frac{1}{2}\sqrt{\frac{x}{2}}$

3 0

3 years ago

Exercise Change 40days to weeks and days

AlladinOne [14]

5 weeks and 5 days.

Explanation: 40\7 equals 5.714... 5*7=35 40-35=5

8 0

3 years ago

14 points please guys

miv72 [106K]

9 inches
Step By Step
3 1\10

3 0

3 years ago