Blandade repetitionsuppgifter funktioner Ma2C
# Vad har funktionen för värdemängd respektive definitionsmängd?
# Vi har [math]\displaystyle{ f(x) = x^2 + 2x + 1 }[/math].
- Bestäm [math]\displaystyle{ f(5) }[/math]
- Bestäm [math]\displaystyle{ f(a-3) }[/math]
2 Bestäm parabelns ekvation utifrån grafen nedan.
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3 Har [math]\displaystyle{ y(x) = -4x^2 - 2x + 1 }[/math] några nollställen?
- Har kurvan max- eller minpunkt?
- Vad har den för symmetrilinje?
4 Grafen visar en exponentialfunktion på formen [math]\displaystyle{ y = C*a^x }[/math]. Vad har C och a för värden?
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