f(2)= -12 and f(5) = -3 f(x) = X

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: if f(x)=6-9x, find f -1(-30)

A: Given,           fx=6-9x

Q: if f(x)=5x3 +4x-3, Find f(-4)

A: The solution of the problem is given in the next step.

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

A:

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

A:

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

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

Q: Find f(10) if f(x) = 3x – 10.

A: Given,            f(x) =3x - 10

Q: f(0) = 2x - 5

A:

Q: Find f(12) - f(-12).

A: Given:f12-f-12fx=x+3        if  x≥58             if   x<5

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: f(x) = 2 - 1x + 1 4 (x - 4)2, x + 16, x ≤ 0 0 <x

A:

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

A:

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: f(-2)= f(1)=

A: Given:

Q: Find f(-2), when f(x) = -0.5x + 12

A: Given that f(x) = -0.5x + 12  To find: f(-2)

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

A:

Q: y=3x+7 what is f(-2)

A: Given,           y=3x+7

Q: determine f(0), f(-2), and f(a+b) f(x)= 5x-10

A:

Q: If f(x) = 4 - 2x, find f-1(-8).

A:

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

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

Q: Find f(-2). f (x) = 2x2 + 3x - 4

A:

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: