Functions Practice Problems: Level 02

Let us solve a few practice problems of Functions to understand the concept of Functions in math better.
Directions for questions 1 to 5: Read the instructions and solve the questions accordingly
f(x, y) = x2 – 2y
g(x, y) = x + y3
h(x, y) = x2 + y – 2xy
k(x, y) = x + y
Q.1.Find f(2,3) – h(1, 5)
a) 3
b) 4
c) 15
d) 34
Q.2. Find h(3, 4) – g(5,2) + k(13, 4)
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a) -7
b) -11
c) -13
d) -17
Q.3. Find k[g(2,3) , k(11, 9)])
a) 56
b) 35
c) 67
d) 49
Q.4.Find h(3,4) – g(2,3)
a) 58
b) 54
d) -40
d) -23
Q.5.Find the value of h(1,3) – h (3,1)
a) -6
b) -12
c) -17
d) -3
Directions for questions 6 to 10: Read the instructions and solve the questions accordingly
  1. x%y means x+ y
  2. x&y means x – y
  3. x$y means x2 + y2
  4. x@y means x2 – y2
Q.6.Find 3%(4&5)
a) 5
b) 18
c) 3
d) 2
Q7.Find 2$(4@2)
a) 132
b) 148
c) 149
d) 134
Q8.Find the value of (9@3) % (3&9)
a) 98
b) 97
c) 72
d) 73
Q9.Find the value of (2&5) % (3@7)
a) -45
b) -35
c) -43
d) -38
Q10.. Find the value of (4&3) + (3@2)
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a) 6
b) 11
c) 13
d) 15