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The function \( f \) is defined by \( f\left(x\right)=80-6x \) . What is the value of \( f\left(7\right) \) ?

The function \( f\left(x\right)=55.20-0.16x \) gives the estimated surface water temperature \( f\left(x\right) \), in degrees Celsius, of a body of water on the xth day of the year, where \( 220\le x\le360 \) . Based on the model, what is the estimated surface water temperature, in degrees Celsius, of this body of water on the 326th day of the year?

The function f is defined by f(x) =5x +8. For what value of x does f(x) =58?

The function \( f \) is defined by \( f\left(x\right)=3x-8 \) . What is the value of \( f\left(7\right) \) ?

The function \( f \) is defined by \( f\left(x\right)=10x^2-32x-152 \). What is the value of \( f\left(0\right) \)?

The function \( g \)  is defined by \( g\left(x\right)=4x-6 \). What is the value of \( g\left(-7\right) \) ?

The function \( f \)  is defined by \( f\left(x\right)=4x^{-1} \) . What is the value of \( f\left(21\right) \) ?

The function p is defined by p(n)=7n³. What is the value of n when p(n) is equal to 56?

The function f(w) = 6w² gives the area of a rectangle, in square feet (ft²), if its width is w ft and its length is 6 times its width. Which of the following is the best interpretation of f (14) = 1,176?

The total cost f (x), in dollars, to lease a car for 36 months from a particular car dealership is given by f (x) = 36x + 1,000, where x is the monthly payment, in dollars. What is the total cost to lease a car when the monthly payment is $400?

The function f is defined by f(x)=x³ + 15. What is the value of f (2) ?

f(x) =7x +1
The function gives the total number of people on a company retreat with x managers. What is the total number of people on a company retreat with 7 managers?