Determine whether the following table can be modeled exactly by an exponential function.
t 3.1 4.1 5.1 6.1 y 45.01 40.51 36.46 32.81
What will be an ideal response?
The data can be modeled exactly by an exponential function.
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Find the average rate of change of y with respect to x from P to Q.y = 5x - 6x2; P(2, -14), Q(2.1, -15.96)
A. -19.6 B. -19 C. -0.196 D. -1.96
Evaluate the expression.Let x = 18, y = -6. Evaluate |y - x|.
A. -12 B. -24 C. 24 D. 12
Solve.Sue had $815 in her bank account. She deposited a $453 pay check and a $242 pay check. How much did she deposit and what was her new balance?
A. $1057; $1410 B. $695; $1510 C. $695; $1500 D. $1268; $1510
Solve the problem.To remodel a bathroom, a contractor charges $30 per hour plus material costs, which amount to $4740. Therefore, the total cost to remodel the bathroom is given by 
where x is the number of hours the contractor works. Find a formula for 
What does 
compute?
A. f -1(x) = 
- 4740; This computes the number of hours worked if the total cost is x dollars.
B. f -1(x) = 
- 158; This computes the number of hours worked if the total cost is x dollars.
C. f -1(x) = 
- 4740; This computes the total cost if the contractor works x hours.
D. f -1(x) = 
- 158; This computes the total cost if the contractor works x hours.