Question 12 Marks$f: A \rightarrow B , A =\{1,2,3\}, B =\{0,1,2,3,4,5,6,7\}$ and $f(x)=3 x-2$. Obtain the range of the function.Answer$R _f=\{1,4,7\}$View full question & answer→
Question 22 MarksIf $f(x)=a+b x$ and $f(0)=5, f(3)=20$, obtain exact form of the function.Answer$f(x)=5(1+x)$View full question & answer→
Question 32 MarksThe cost function of producing $x$ units is $C(x)=50+2 x+\sqrt{x}$, find the cost of producing 25 units.Answer$C(25)=105$View full question & answer→
Question 42 MarksIf a real function is $f(x)=x+\frac{2}{x+1}, x \in R -\{-1\}$, find the value of $f(1)-f(0)$.Answer$f^{\prime}(1)-f(0)=0$View full question & answer→
Question 52 MarksIf a real function is $f(x)=\frac{x^3-27}{x^2+3 x+9}$, for which value of $x$ its image is zero ?AnswerFor $x=3$View full question & answer→
Question 62 MarksFind the value of $f(0)$ for a real function $f(x)=16 x^2-16^x+x$.Answer$f(0)=-1$View full question & answer→
Question 72 MarksIf the range of $g: Z-\{3\} \rightarrow R , g(x)=\frac{x^2-x-6}{x-3}$ is $R _g=\{-2,2\}$, find the domain of the function..Answer$D_f=\{-4,0\}$View full question & answer→
Question 82 MarksState the type of function $p: A \rightarrow N , A =\{1,8,27,64,125\}, p(x)=\sqrt[3]{x}$AnswerOne-one functionView full question & answer→
Question 92 MarksIf $f: A \rightarrow Z, A =\{x \mid 0 \leq x \leq 3, x \in N \}$, state the range of $f(x)=x^2-1$.Answer$R _j=\{0,3,8\}$View full question & answer→
Question 102 MarksUnder which conditions, two functions $f$ and $g$ are said to be equal functions ?Answerself View full question & answer→