Testsida3
Förberedande kurs i matematik
Övning 4.2.2
a) | \displaystyle f(x)=\frac{3x^2}{4} +x-3/2 | |
b) | \displaystyle f(x)=x\sin{(6x)} | |
c) | \displaystyle f(x)=2 | |
d) | \displaystyle f(x)=\begin{cases}-2x+4&\text{om }x<-1\\2&\text{om }-1\leq x\leq 1\\2x+4&\text{om }x>1\end{cases} | |
e) | \displaystyle f(x)=x+1 | |
f) | \displaystyle f(x)=\begin{cases}-2x-\frac{1}{2}&\text{om }x<\frac{1}{2}\\x&\text{om }x\geq\frac{1}{2}\end{cases} |
Svar
Lösning 4.2.2 a