Asked by Kuku Monkey
1. Find the slope of the graph of the linear function f with f(0)=4 and f(3)=13.
I have no idea how to do this.. :(
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Evaluate the function when x=3, x=0, and x= -2.
2. f(x)=-1/2x+3
my answers: 1.5, 3, 1
3. h(x)=5.5x+4
my anwers: 20.4, 4, 7
4. g(x)=1/8-4
my answers: -3.625, -4, -4.25
5. k(x)=14-4x
my answers: 2, 14, 22
Please check if numbers 2-5 are correct. Thanks.
I have no idea how to do this.. :(
__________________________________
Evaluate the function when x=3, x=0, and x= -2.
2. f(x)=-1/2x+3
my answers: 1.5, 3, 1
3. h(x)=5.5x+4
my anwers: 20.4, 4, 7
4. g(x)=1/8-4
my answers: -3.625, -4, -4.25
5. k(x)=14-4x
my answers: 2, 14, 22
Please check if numbers 2-5 are correct. Thanks.
Answers
Answered by
bobpursley
on the first.
slope= (f(3)-f(0))/(3-0)
the others are correct, but I would have done 4 in fractions.
slope= (f(3)-f(0))/(3-0)
the others are correct, but I would have done 4 in fractions.
Answered by
Kuku Monkey
Thanks a lot!! =))
Answered by
MathMate
KukuMonkey, double check you work when you work with negative numbers.
2.
f(x)=-1/2x+3
f(-2)=4
3. h(x)=5.5x+4
my anwers: 20.4, 4, 7
h(3)=20.5
h(0)=4 (OK)
h(-2)=-7
2.
f(x)=-1/2x+3
f(-2)=4
3. h(x)=5.5x+4
my anwers: 20.4, 4, 7
h(3)=20.5
h(0)=4 (OK)
h(-2)=-7
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