4x + y = 10 is a perfectly valid functional form. The standard form is 4x + y - 10 = 0
Yes it is a function. In standard form it is y=x-4.
$48x + 5y" is an expression. It is not a function and so cannot be written as a function.
It is: y = -2/3x+4 in slope intercept form
y = x + 7
y(x) = (4 - x)/4.
y=3x+12
y = -x-2
f(x) = 2x2 + 4x - 7
two hundred plus fifty plus five equals two hundred fifty-five
It is the equation of a straight line
Y = 2X + 8 is a linear function of the form, Y = mX + c. A line.