Let f(x)=-2x+-6 and g(x)=3x+5. Find (f∘g)(2).
Correct answer(s):
- -28
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Let f(x)=3x+-5. Which expression represents f^(-1)(x)?
Correct answer(s):
- (x - (-5))/3
Let f(x)=-2x+2 and g(x)=-1x+5. Find (f∘g)(7).
Correct answer(s):
- 6
Let f(x)=2x+0. Which expression represents f^(-1)(x)?
Correct answer(s):
- (x - (0))/2
Let f(x)=-3x+-5 and g(x)=1x+6. Find (f∘g)(-1).
Correct answer(s):
- -20
Let f(x)=3x+8. Which expression represents f^(-1)(x)?
Correct answer(s):
- (x - (8))/3
Let f(x)=2x+-5 and g(x)=3x+-5. Find (f∘g)(-3).
Correct answer(s):
- -33
Rina has x pencils and buys 4 more. Now she has 17 pencils. Which equation correctly represents the situation?
Correct answer(s):
- x + 4 = 17
A bus fare is 3 taka per student. For x students, the total fare is 36 taka. Which equation correctly represents the situation?
Correct answer(s):
- 3x = 36
Sam’s age is x. His brother is 7 years older and is 18 years old. Which equation correctly represents the situation?
Correct answer(s):
- x + 7 = 18
A number x is divided equally among 12 students. Each student gets 10. Which equation correctly represents the situation?
Correct answer(s):
- x/12 = 10
Each packet has 10 stickers. There are x packets and 90 stickers altogether. Which equation correctly represents the situation?
Correct answer(s):
- 10x = 90
A box has x marbles. After giving away 9, -1 marbles remain. Which equation correctly represents the situation?
Correct answer(s):
- x - 9 = -1
Rina has x pencils and buys 6 more. Now she has 13 pencils. Which equation correctly represents the situation?
Correct answer(s):
- x + 6 = 13
A bus fare is 5 taka per student. For x students, the total fare is 30 taka. Which equation correctly represents the situation?
Correct answer(s):
- 5x = 30
Sam’s age is x. His brother is 11 years older and is 27 years old. Which equation correctly represents the situation?
Correct answer(s):
- x + 11 = 27
A number x is divided equally among 3 students. Each student gets 15. Which equation correctly represents the situation?
Correct answer(s):
- x/3 = 15
Each packet has 2 stickers. There are x packets and 28 stickers altogether. Which equation correctly represents the situation?
Correct answer(s):
- 2x = 28
A box has x marbles. After giving away 3, 10 marbles remain. Which equation correctly represents the situation?
Correct answer(s):
- x - 3 = 10
Rina has x pencils and buys 9 more. Now she has 21 pencils. Which equation correctly represents the situation?
Correct answer(s):
- x + 9 = 21