A projectile is launched from ground level with an initial velocity of v0 feet per second. It's height in feet t seconds after l
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Number (x) 1 -1 2 -2
Fourth power of the number (y) 1 1 16 16
(a) Does the table represent y as a function of x?
From the table we can see that every x value has a corresponding y value
The x values are not repeating. So It is a function.
If we graph the table then it will pass vertical line test.
B: The total cost f(x), in dollars, for renting a truck for x hours is shown below: f(x) = 17x + 50 What is the value of f(30) and what does f(30) represent?
Total cost f(x) = 17x + 50
To find f(30), we plug in 30 for x
The rent of the truck for 30 hours is $560
Answer:
a)
b) y = 289.815
Step-by-step explanation:
We are given the following information:
The estimate regression equation for a model involving two independent variables and 10 observations follows:
where are the two independent variable and y is the dependent variable.
a) The regression line is of the form:
Comparing, we get,
These are the coefficients of respectively, and helps us to know the the significance of the independent variable in predicting the independent variable.
b) We have to estimate y when