for the Sunction f beloo determine fox) = 4- 3x+Sr²_n3 %3D r decseasng intervals where z is inoreosing or local e minimă and manima of f intervals where f is concave upond concove down a, the in glection points gf

Dec. Intervals: 4. (x)-2x-4x-x Domain: Range: Rel. Maximums): Rel. Minimm(s): . End Behavior: As x→∞, ƒ(x)→ As x→-∞, ƒ(x)→ Inc. kn els: Dec. Intervals:

3. flx)=x"-ax -Locade the Critical pointo of f -0se the first derivate test to locate the maX. and mini. values, dentify the ntervala.onwhch f16 increcsng or decreataun dentify the absolute max. and mini. values of the functon, if they exet on the nterval [-3,3] -Findl the intervals on which flx)16 concave o, concave dawn |- dentify the locaton.of an4inflecticn points

2a) Use six rectangles to find estimates of each type for the aria under the given graph of f from x-0to X=12. i Lo (sample polnts are left endpoints) n.Ro(sample points are night endp0ints) i. Mc (sample points are midpoints.) b) Is Lc an wnderestimate or overestinate cf the true area? ) Is Re ano wnderestimate or overestimate of the true area? ) which of the numbers Le, Ro,or Ma gives the -best estimate? Gxplain. YA 8. 12