Question

найдите значение выражения 40c+16+25c^2 при c=0.6 ,1.2 , -1.2

Answer 1

$40c+16+25c^2=(5c+4)^2\1)c=0.6\(5*0,6+4)^2=49\2)c=1.2\(5*1,2+4)^2=100\3)c=-1.2\(5*(-1,2)+4)^2=4$