Operaions on functionsAuthor: Math ELS Description: Keywords: composite, , , , , , online teaching
Content: Quiz: 1. If f(x)=3x-1 and g(x)=x%2b4, then
(f %2b g)(2) = ........... A) 5 B) -1 C) 11 D) -11
2. If f(x)=3x-1 and g(x)=x%2b4, then
(f - g)(x) = ........... A) 4x %2b 3 B) x %2b 1 C) 2x - 5 D) 5 - 2x
3. If f(x)=3x-1 and g(x)=x%2b4, then
(f - g)(0) = ........... A) 5 B) -5 C) 3 D) -3
4. If f(x)=3x-1 and g(x)=x%2b4, then
(f . g)(x) = ........... A) 3x² %2b 11x %2b 4 B) 0 C) 3x² %2b 12x - 4 D) 3x² %2b 11x - 4
5. If f(x)=3x-1 and g(x)=x%2b4, then
(f . g)(-1) = ........... A) 4 B) 7 C) -12 D) 10
6. If f(x)=3x-1 and g(x)=x%2b4, then
(f / g)(x) = ........... A) 3x-1 / x%2b4 B) x%2b4 / 3x-1 C) ½ D) 2
7. If f(x)=3x-1 and g(x)=x%2b4, then
the domain of (f / g)(x) = ........... A) R B) R - {-4} C) R - {-4 ,1/3 } D) R - {4}
8. If f(x)=3x-1 and g(x)=x%2b4, then
(f / g)(-3) = ........... A) -10 B) 8 C) 10 D) -8
9. If f(x)=3x-1 and g(x)=x%2b4, then
(f ∘ g)(x) = ........... A) 3x %2b 11 B) 3x%2b3 C) 2x %2b 3 D) 3(x%2b1)
10. If f(x)=3x-1 and g(x)=x%2b4, then
(f ∘ g)(-3) = ........... A) 6 B) 1 C) 2 D) -6
11. If f(x)=3x-1 and g(x)=x%2b4, then
(g ∘ f)(x) = ........... A) 3 B) 3(x%2b1) C) 3x %2b 11 D) 3x %2b 6
12. If f(x)=3x-1 and g(x)=x%2b4, then
(g ∘ f)(1) = ........... A) 6 B) 0 C) -6 D) 12
13. If f(x)=3x-1 and g(x)=x%2b4, then
[(f - g) . (g %2b f)](x) = ........... A) 4x²-14x-15 B) 8x²-14x-15 C) -2x%2b2 D) 2x-2
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