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Linear functions SAT question

Math · Algebra · Easy · Answer it here, explanation included.

The cost , in dollars, for a manufacturer to make rings is represented by the line shown.

  • The line slants gradually up from left to right.
  • The line passes through the following points:
    • (0 comma 100)
    • (60 comma 175)
    • (100 comma 225)

What is the cost, in dollars, for the manufacturer to make rings?

ExplanationShow

Choice C is correct. The line shown represents the cost , in dollars, for a manufacturer to make rings. For the line shown, the x-axis represents the number of rings made by the manufacturer and the y-axis represents the cost, in dollars. Therefore, the cost, in dollars, for the manufacturer to make rings is represented by the y-coordinate of the point on the line that has an x-coordinate of . The point on the line with an x-coordinate of has a y-coordinate of . Therefore, the cost, in dollars, for the manufacturer to make rings is .

Choice A is incorrect and may result from conceptual or calculation errors.

Choice B is incorrect. This is the cost, in dollars, for the manufacturer to make rings.

Choice D is incorrect. This is the cost, in dollars, for the manufacturer to make rings.

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