SOLUTION: 1. Given the following function, find f(-1).
f(x)= {4x+1 x<-2
{5-x^2 x≥-2
A. -3
B. -1
C. 4
D. 6
E. None of the above
2. The force of gravity betw
Algebra ->
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-> SOLUTION: 1. Given the following function, find f(-1).
f(x)= {4x+1 x<-2
{5-x^2 x≥-2
A. -3
B. -1
C. 4
D. 6
E. None of the above
2. The force of gravity betw
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Question 1024603: 1. Given the following function, find f(-1).
f(x)= {4x+1 x<-2
{5-x^2 x≥-2
A. -3
B. -1
C. 4
D. 6
E. None of the above
2. The force of gravity between two objects is inversely proportional to the square
of the distance between them. If the force between two particular objects is 4 newtons when they are 6 kilometers apart, find "k", the constant of proportionality.
A. 144
B. 24
C. 2/3
D. 1/9
E. None of the above
3. State whether the function f(x)=−2x^2 −20x+15 has a maximum or minimum value and state the value of the maximum or minimum.
A. The function has a maximum of 65.
B. The function has a minimum of 65.
C. The function has a maximum of 35.
D. The function has a maximum of -15.
E. None of these
4. Given f(x)= 1/x+1 and g(x)=x−5, find f(g(3)).
A. undefined
B. −2
C. −19/4
D. −1
E. None of the above
5. Given f(x)=x3 and g(x)=5+4x, find (fog)(x).
A. 5+4x^3
B. (4x +5)^3
C. (5−4x)^3
D. 64x^3 +125
E. None of the above
6. Given that the function f(x) = 3/x+5 is one-to-one, find its inverse.
A. f −1(x) = 3 − 5x/x
B. f −1(x) = 5 − 3x/x
C. f −1(x) = 5x − 3/x
D. f −1(x) = x + 5/3
E. None of the above Answer by robertb(5830) (Show Source):
