Question

What type of graph is a and b please help me​

Answer 1

you could chose to describe the first graph as any of the following phrases:

‘curved graph’

‘intercept on y-axis’

‘as x increases, y increases’,

‘y increases slowly at first, then more rapidly, then slows down again’ and ‘reaches a maximum level’.

you can chose to describe the second graph as any of the following phrases:

'gradually increases, then rapidly increases in a short period of time"