6x/5-7x find the domain
1 answer:
Answer:
Step-by-step explanation:
Domain means the inputs, usually that's what we call the x , as in the equation having the "x"
so what can't we put into x?
well the one thing we can't put into x if if we get a zero in the denominator. so 7* would make 5 and the 5-5 would be zero.. so we can't include 5/7 in the domain
so everything but 5/7 is the domain
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Answer:
Step-by-step explanation:
1). g(x) = -0.5x
Equation form of the given function is,
y = -0.5x
Interchange x and y,
x = -0.5y
Solve for y,
y =
y = -2x
Inverse function will be,
2). h(x) = 4x
Equation form of the function will be,
y = 4x
Interchange x and y,
x = 4y
Solve for y,
y =
Inverse function will be,
3). y = x - 4
Interchange x and y,
x = y - 4
Solve for y,
y = x + 4
Therefore, inverse of the linear equation is,
y = x + 4
4). f(x) =
Equation form of the function will be,
y = = x
Interchange x and y,
x =
Solve for y,
y = 2x
Therefore, inverse function will be,
5). k(x) = x
Equation form of the function will be,
y = x
Interchange x and y,
x = y
Solve for y,
y = x
Inverse of the function 'f' will be,
6). p(x) = x + 4
Equation form of the function will be,
y = x + 4
Interchange x and y,
x = y + 4
Solve for y,
y = x - 4
Inverse of the function 'p' will be,