1.5: Complete the table of values for y = e³ˣ⁻²

4PM1/2R/June/2022 — Question 5 · 7 marks

(a) Complete the table of values for
y=e3x2y = \mathrm{e}^{3x-2}
giving your answers to 2 decimal places.
x\displaystyle x0\displaystyle 00.25\displaystyle 0.250.5\displaystyle 0.50.75\displaystyle 0.751\displaystyle 1
y\displaystyle y0.14\displaystyle 0.142.72\displaystyle 2.72
(2)
(b) On the grid opposite, draw the graph of
y=e3x2for0x1y = \mathrm{e}^{3x-2} \quad \text{for} \quad 0 \leq x \leq 1
(2)
(c) By drawing a suitable straight line on the grid, obtain an estimate, to one decimal place, of the root of the equation
3x=2+ln(3x)3x = 2 + \mathrm{ln}\,(3-x)
(3)