She doesn't understand what she did wrong in this problem. Test is tomorrow.
https://1drv.ms/i/s!AkLwCnjYZGMz3U1LVsMWwqKPMhao
She doesn't understand what she did wrong in this problem. Test is tomorrow.
https://1drv.ms/i/s!AkLwCnjYZGMz3U1LVsMWwqKPMhao
price depends on the year, so the coordinates are (t, p) ... (0, 0.13) and (30, 0.37) ... looks like she reversed them
$m = \dfrac{0.37-0.13}{30-0} = \dfrac{0.24}{30} = 0.008$
$p - 0.13 = 0.008(t - 0) \implies p = 0.008t + 0.13$
year 2020 is $t=45 \implies p = 0.008(45)+0.13 = 0.49$