Let f(x) = V2x and g(x) = -11/2x . Find (f + g)(x) and (f - g)(x). Then evaluate f +gand f - g for x = -4 (f +g)(x)= D; (f +g)(-4) = (f - 9)(x) = D; (f – 9)(-4) = D

Q: Find f( - 1)  if f(x) = 2x2 - x.

A: Consider the given function. fx=2x2-x We have to find the value of f(-1). So, put -1 for x in the…

Q: Determine 04 O4h 05 O 5h f(2+h)-f(2) h if f(x) = 5x 6.

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Q: When f(x) = 8x + +2, evaluate f(-5) f(- 5) =

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Q: Let x + 5 f(x) = x + 10 f-(- 4) =

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Q: If f(9)=7,find f-1(7)

A: given f(9)=7 then calculate  f-1(7)

Q: Let f(x)=2x+1 and g(x)=2x2-1 a. f(2) b. g(-3)

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Q: evaluate f(-2) if f(x)= x2+3

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Q: When f(z) = 8z 4z +5, evaluate f(- 2) f(- 2) =

A: The given function is: f(x) = 8x2 - 4x + 5

Q: Find f(10) if f(x) = 3x – 10.

A: Given,            f(x) =3x - 10

Q: y 3) Domain : Range:

A: Graph of the function is given, we have to find its domain and range

Q: Let f(x)=x +3 and g(x)=-2x+6. Find each of the following. (a) (f+g)(2) (b) (S - 8)X2) (c) (fg)(2)…

A: we have to find the following

Q: Find f(3) if f(x) = - 4x2 + 5x.

A: A function relates inputs to outputs. An expression is said to be a function if for each input…

Q: Let /(x) = 7 - 9x - 20. Find f(-3)

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Q: −5x – 5, f(x) = 2x² + 2x - 1, x < -1 x ≥ −1

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Q: If f(14)=27, find f-1(27)

A: If f(x) = y is any function and f is one-one then, =&gt; f-1(y)=x

Q: When f(x) = 2x2+ 2x-4, evaluate f(-2) f( – 2) =

A:

Q: If f(3x)=4x+1 , determine f(7x)

A: f(3x)=4x+1

Q: When f(x) = 5x2 + 3x – 3, evaluate f(5) f(5)

A: Given f(x) = 5x2+3x-3we evaluate f(5)

Q: When f(x) = 2x 6x + 3, evaluate f(- 2) f(– 2) = %3D

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Q: Find f(-7) if (x)=2x+8

A: Given  f(x)= 2x+8  we use substitution method to find value of f(x) at x= -7

Q: Let f(x) = 4x² +4 and g(x) = -5x+5. Find the following. (1-g)(-3) (1-9)(-3)=

A: