• Placement Questions
• /
• GRE
• /
• Programming
• /
• Functions

Frequently Asked GRE Programming - Functions Sample Question with Solutions

(#M40165651) GRE QUESTION Keep an EYE

Find f(x)-1/f(x), when f(x) = (x+1)/(x-1)? Indicate all correct options. [n^2 = n*n]
A. 2
B. 2/(x^2-1)
C. 4x/(x^2-1)
D. 4x/[(x+1)(x-1)]
E. 2(x^2+2x-1)/(x^2-1)

Asked In GRE Devendra Marghade (6 years ago)

Unsolved Read Solution (1)

Is this Puzzle helpful?   (0)   (0) Submit Your Solution Functions

(#M40165720) GRE QUESTION Keep an EYE

Let A = {-1, 0, 2, 3, 5, 6} and f(x) = x^2 -x -2. Find f(A). Indicate all correct options. [x^2 = x*x]
A. {-1, 0, 2, 3, 5, 6}
B. {f(-1), f(0), f(2), f(3), f(5), f(6)}
C. {-2, 4, 18, 28}
D. {0, -2, 4, 18, 28}
E. { 0, 1, 2, 6, 20}

Asked In GRE Devendra Marghade (6 years ago)

Unsolved Read Solution (1)

Is this Puzzle helpful?   (0)   (0) Submit Your Solution Functions

(#M40165653) GRE QUESTION Keep an EYE

Let f be a real function defined by f(x) = ax^2+b. Which of the following is true if f(1) = 2 and f(2) = 5? Indicate all correct options. [x^2=x*x]
A. a = 2
B. b = -1
C. a = b
D. b = 1
E. a < b

Asked In GRE Devendra Marghade (6 years ago)

Unsolved

Is this Puzzle helpful?   (0)   (0) Submit Your Solution Functions

(#M40000288) GRE QUESTION Keep an EYE

What is the value of the function defined by f(x)=3x^2+7x+23, When x=2?

Asked In GRE neeraj (15 years ago)

Solved Tijo Jose Read Solution (2)

Is this Puzzle helpful?   (2)   (4) Submit Your Solution Functions

(#M40151779) GRE QUESTION Analytic function Keep an EYE

Suppose f is an analytic function of the complex variable z = x + i y given by
f(z) = (2x + 3y) + i g (x, y)
where g(x, y) is a real-valued function of the real variables x and y. If g(2, 3) = 1, then g(7, 3) = ?
(A) -14
(B)-9
(C) 0
(D) 11
(E) 18

Asked In GRE Aashu (10 years ago)

Unsolved

Is this Puzzle helpful?   (0)   (0) Submit Your Solution Functions

(#M40151741) GRE QUESTION Inequalities Keep an EYE

Let f and g be twice-differentiable real-valued functions defined on R. If f’(x) > g’(x) for all x > 0, which of the following inequalities must be true for x > 0?
(A) f(x) > g(x)
(B) f”(x) > g”(x)
(C)f(x) – f(0) > g(x) – g(0)
(D) f’(x) – f’(0) > g’(x) – g’(0)
(E) f”(x) – f”(0) > g”(x) – g”(0)

Asked In GRE Aashu (10 years ago)

Unsolved

Is this Puzzle helpful?   (0)   (0) Submit Your Solution Functions