Zadanie 2a
Using the 1.5×IQR rule, find the largest c reading that would not be classified as an upper outlier.
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Znaleziono 1343 zadania
Using the 1.5×IQR rule, find the largest c reading that would not be classified as an upper outlier.
(i) Predict c when a=44. (ii) Find the mean of the a readings.
Express the area of one hole in terms of θ.
The remaining plate has area 25π − 9 cm². Find θ.
(i) Given the nonreal root 2+2i of f(z)=0, state the other nonreal root. (ii) Verify that the mean of these two roots is 2.
Show that y=24x−12 is tangent to y=f(x) at A=(2,36).
Sketch y=f(x) and its tangent at A, marking the tangent’s x-intercept.
Assume a≠r. (i) Show that g′(x) = 2(x − r)[(x − a)2 + b2] + 2(x − r)2(x − a). (ii) Hence, or otherwise, prove that the tangent at A meets the x-axis at T = ((a + r)/2, 0).
For a≠r, use g′(a) = 2(a − r)b2 to deduce that the two nonreal roots are .
The figure concerns g(x) = (x + 1)2[(x − a)2 + 4]. The curve touches the x-axis at R=(−1,0). Its tangent at A=(a,64) crosses the x-axis at T=(1,0). Points C₁,C₂ represent respectively the nonreal roots with positive and negative imaginary parts of g(z)=0, drawn on…