Mathematics

Mathematics

Problem

Let f(x)=kx6−8x2+5f(x)=k x^{6}-8x^{2}+5 where k<0k<0. Determine lim⁡x→∞f(x)\displaystyle\lim_{x\to\infty}f(x). a) +∞+\infty b) kk c) −∞-\infty d) 00

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