Zadanie 3b
Find the area bounded by y=f(x), the axes and x=3π.
Evaluate definite integrals and calculate areas bounded by curves or axes, splitting intervals where signs require it.
Tę umiejętność sprawdza 30 zadań wzorowanych na arkuszach IB z lat 2022–2026.
Find the area bounded by y=f(x), the axes and x=3π.
Find the area of R.
The positive intersection x-coordinates are a<b. Find the area enclosed by the curves between a and b.
P is the inflection point of the pulse curve. Let R be the region enclosed by the curve and the horizontal line through P. Find its area.
P is the inflection point of the pulse curve. R is the region enclosed by this curve and the horizontal line through P. The area under the pulse from x=0 to x=k is twice the area of R, with 0≤k≤π/3. Find k.
A region is bounded above by y = 1 + e2x, below by y = 1 − 2e2x, and by the vertical lines x = 0 and x = ln 2. Find its exact area.
At the beginning of 2021, a sealed reservoir holds 420000 litres. Its modelled rate of water loss is described by litres per year, where t is years after the beginning of 2021. Find the volume predicted for the beginning of…
Let A = (1/2, 4). The normal to the curve at A meets it again at B with xB > 1.3. The region comprises all areas between this normal and the curve from xA to xB. Find the total shaded area between the curve and the normal line from A to B.
A separate function is h(x) = 9x2/(3x + 2), x ≠ −2/3. Region R is bounded by its curve, the line y = 1, and x = 1, x = 2. (i) Establish . (ii) Hence or otherwise, calculate the area of R in the form p + qln r, with positive…
The cart modelled by u finishes first. How far is the other cart from its endpoint at that instant?
Find the area of the enclosed region.
Take k=6. Find the area enclosed by the graph of f, its normal at x=−4, and the y-axis, on the interval −4≤x≤0.
Find the area enclosed by the graphs.
Find the exact area of R.
Show that the area enclosed by the graphs is .
Hence evaluate the enclosed area, using .
Show that the area enclosed by the graphs is .
Hence evaluate the enclosed area, using .
Find the distance travelled between t1 and t2.
Find the enclosed area. Use h−1(x) = (x2 + 7)/6, with intersections at and .
Determine whether overflow occurs before the first flush. Justify your answer.
Find the two possible expressions for g.
Find the two possible expressions for g.
Hence evaluate .
Find its total distance travelled over the given interval.
The graphs of f and its inverse intersect at x=p and x=q, where p<q. (i) Find p,q. (ii) Hence find the area enclosed by the two curves.
A region lies above the x-axis, below g from A to B, and below f from B to the vertical line x=k, where k is an integer greater than 6. A circular hole of radius 1 centred at (5,1) is removed from the region; this disk lies entirely inside it. On integrating,…
You may use . (i) Show that for m>0. (ii) If and 0≤m≤π/2, find m.
Find the total area between the graph and the x-axis from x=0 to x=2.
Let b<c be the two zeros of s″ on the given interval. Find the distance travelled between b and c.
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