(b) On the grid, draw the graph of \(y = 2^x\) for values of \(x\) from \(-2\) to 3(2)
Mark scheme (a)
Working
Answer
Mark
Notes
\(x\)
\(-2\)
\(-1\)
0
1
2
3
\(y\)
0.25
0.5
1
2
4
8
0.5, 1, 4, 8
2
B2 for all 4 correct (B1 for 2 or 3 correct)
Mark scheme (b)
Answer
Mark
Notes
Correct graph
2
M1 for at least 5 points plotted correctly from their table, provided at least B1 scored in part (a) A1 cao for a correct graph drawn from (−2, 0.25) to (3, 8)
