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3 years ago

From the graph the solution of the equations y = -3x and y = x+8

Mathematics

1 answer:

MakcuM [25]3 years ago

8 0

$▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪$

The solution of the equations is the coordinates of the point where the two lines intersects, so the required solution is :

$( - 2, 6)$

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Which of the statements is true regarding the graphed functions ?

DedPeter [7]

F(x) means the function defined at that x value. It really just means what y value when x is equal to that input. So we can see clearly that A is false. They’re nearly opposite y values. B is also obviously false since the y values aren’t equal. C is the same case, the y values aren’t equal. D is true. When x = -2 for both functions, we can see the y value is the same. They also intercept, so that’s a pretty dead giveaway

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Can someone explain to me how to solve this equation<br>15x +-6 = 8

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x=0.933333

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First you add 6 to both sides of the equation

15x - 6 + 6 = 8 +6

That gives you 15x = 14

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3 years ago

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2 years ago

The function g(x) =8(4x) is reflected across the x-axis to create f(x) what is the equation for f(x)

Sveta_85 [38]

Answer:f(x)= -8 (4x) will be the reflected function across x-axis for the function g(x).

Explanation: since we know that the image or reflection of x along x-axis = -x

That is, when we talk about a function's reflection across any axis then we have to replace variable according to that axis. For example if you have a line x=3 in positive x-axis then you can also draw a similar line x=-3 in negative x-axis. so, you can say, x=-3 is the reflection of x=3 along x axis.

Similarly, for an another line y=3, y=-3 is a reflection.

thus in the case of g(x) we can find the reflection across x-axis after replacing x by -x.

we have g(x) =8(4x)

replace x by -x we get g(-x)= 8(4×-x)= 8(-4x)=-8(4x)

so -8(4x) is the reflection of g(x)

but according to the question f(x) is the reflection of g(x) across x-axis.

Thus, f(x)=-8(4x)

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