Answer:
f(x) = 72-12x
Step-by-step explanation:
this might be too late but it could be useful for future people
\left[x _{4}\right] = \left[ \frac{ - \left( -1\right) ^{\frac{3}{4}}\,\sqrt[4]{\left( 20 - 21\,z^{2}\right) }}{\sqrt[4]{4}}\right][x4]=[4√4−(−1)434√(20−21z2)]
I hope helping with u
Answer:
cosine
Step-by-step explanation: