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If the radius of the circle is increased by 6percent the area of the circle is increased by what percentage? The function f is f(x)= (x+4)(x-a), the graph of f is a parabola , a is const. The x coord. is b/w 1 and 3, which is a?
A. -2
B. 1
C. 5
D. 9? SO2 -> ? K2Cr2O7? A small pebble is thrown upward from a cliff with an initial speed 20ms-ยน . Calculate max height reached.? Which operation would occur first in the equation =C3+D5*C6-B2?