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LekaFEV [45]
3 years ago
14

Maria compared the slope of the function f(x)=(-6x-21) to the slope of the linear function that fits the values in the table bel

ow.
x -4 -2 0 2 4
----------------------------------------------------
g(x) 9 8 7 6 5


A. both functions have a positive slope.

b. both functions have a negative slope

c. function f(x) has a positive slope, while function g(x) has a negative slope.
Mathematics
1 answer:
raketka [301]3 years ago
8 0

Answer:

b. both functions have a negative slope

Step-by-step explanation:

The given function is

f(x)=-6x-21


This function is of the form y=mx+b, where m=-6 is the slope and b=-21 is the y-intercept.


We can also determine the slope of the function in the table using any two points, say (0,7)\:and\:(2,6).


The slope formula is given by,

m=\frac{y_2-y_1}{x_2-x_1}.


If (x_1,y_1)=(0,7)\:and\:(x_2,y_2)=(2,6), then,

m=\frac{6-7}{2-0}


m=-\frac{1}{2}.


We can see that both functions have a negative slope.


The correct answer is B.




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