hard · SAT Math
A technician is modeling the temperature T, in degrees Celsius, of a cooling metal plate over time m, in minutes, using the linear function T(m) = -2.4m + 85.
Which of the following is the best interpretation of the number 2.4 in this model?
- The temperature of the plate decreases by 2.4 degrees Celsius every minute.
- The initial temperature of the metal plate is 2.4 degrees Celsius.
- The plate reaches a temperature of 0 degrees Celsius after 2.4 minutes.
- The temperature of the plate decreases by 1 degree Celsius every 2.4 minutes.
Sign up free to see the explanation and track your rank →
More SAT Math practice
- What is the greatest integer value of x that satisfies the inequality (2)/(3)(9 - 6x) ≥ 4x
- In the equation (2)/(3)(6x-9)=(1)/(4)(8x+20)+3, what is the value of 2x+1?
- If the system has no solution, what is the value of a?
- What is the value of c?
- If 5x - 12 = 3x + 8, what is the value of 2x?
- A print shop's total charge, in dollars, for an order of n p… — According to this function
- How many real solutions does the equation |2x + 6| + 10 = 4 have?
- If 2x + y = 13 and 3x - y = 7, what is the value of x + y?