What is the domain of y=x+7

Find the point on the line $y=5x+2$ that is closest to the origin.

5)The graph of f is given. State the numbers at which f is not differentiable.
x=?(smaller value)
x=?(larger value)

6)The graph of f is given. State the numbers at which f is not differentiable.
x=?(smaller value)
x=?(larger value)

What is the graph of ${\displaystyle f\left(x\right)=x^2}$?

Contain linear equations with constants in denominators. Solve each equation. $\frac{3x}{5}-x=\frac{x}{10}-\frac{5}{2}$

A real-estate agent is trying to determine the relationship between the distance a 3-bedroom home is from New York City and its average selling price. He records the data for 6 homes shown below. Linear or Quadratic? Equation: Approximate cost of home 90 miles from NYC?

Complete the equation of the line through (2, 1) and (5, -8). Use exact numbers.

Find the x and y intercepts and graph the line.
2x+3y=-9