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Arte-miy333 [17]

3 years ago

14

How to find the domain of a function

1 answer:

jonny [76]3 years ago

6 0

The space is the arrangement of all conceivable x-values which will influence the capacity "to work", and will yield genuine y-values. When finding the space, recall: The denominator (base) of a part can't be zero. The number under a square root sign must be certain in this segment.

Hope you understand!!!!!!

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Find the equation of the line that passes through (9,-4) and (-1,-8).

Xelga [282]

Answer:

$y = \frac{2}{5} x - 7 \frac{3}{5}$

Step-by-step explanation:

<u>Slope-intercept </u><u>form</u>

y= mx +c, where m is the gradient and c is the y-intercept.

$\boxed{gradient = \frac{y1 - y2}{x1 - x2} }$

Gradient

$= \frac{ - 4 - ( - 8)}{9 - ( - 1)}$

$= \frac{ - 4 + 8}{9 + 1}$

$= \frac{4}{10}$

$= \frac{2}{5}$

Substitute the value of the gradient into the equation:

$y = \frac{2}{5} x + c$

To find the value of the y-intercept, substitute a pair of coordinates.

When x= -1, y= -8,

$- 8 = \frac{2}{5} ( - 1) + c$

$- 8 = - \frac{2}{5} + c$

$c = - 8 + \frac{2}{5}$

$c = - 7 \frac{3}{5}$

Thus the equation of the line is $y = \frac{2}{5} x - 7 \frac{3}{5}$ .

7 0

3 years ago

What is the negative reciprocal of 3/4 or three over 4

marishachu [46]

I believe it would be -4/3.

6 0

3 years ago

The function f(x) varies inversely with x and f(x) 0.2 when x= 0.4.

zhannawk [14.2K]

I hope this helps you

7 0

3 years ago

Read 2 more answers

If a⊕ b=a^3−b, and c=101010101010101010 is an 18-digit number, what is c⊕ (c ⊕ c)?

astra-53 [7]

Answer:

<h2>101010101010101010 </h2>

Step-by-step explanation:

given the binary operation a⊕ b=a^3−b and c = 101010101010101010

To get the value of c⊕ (c ⊕ c), we will express the binary given as that in question as shown;

c⊕ (c ⊕ c) = c³-(c ⊕ c)

c⊕ (c ⊕ c) = c³-(c³-c)

On expansion;

c⊕ (c ⊕ c) = c³-c³+c

c⊕ (c ⊕ c) = c

since c = 101010101010101010

c⊕ (c ⊕ c) = 101010101010101010

3 0

3 years ago

Read 2 more answers

X^2+14x-15=0 solve by completing square<br>

Softa [21]

Answer:

${x}^{2} + 14x - 15 = 0 \\ {x}^{2} - x + 15x -15 = 0 \\ x(x - 1) + 15(x - 1) = 0 \\ (x - 1)(x + 15) = 0 \\ \boxed{x = 1} \\ \boxed{x = - 15}$

<h3><u>x=1 and x=</u><u>-</u><u>15</u> is the right answer.</h3>

7 0

3 years ago