Practice Problems: Solve the following calculus problems related to limits and continuity. Provide step-by-step solutions.
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- Find the limit of f(x)=5x−2f(x) = 5x – 2f(x)=5x−2 as xxx approaches 4.
- Determine whether the function g(x)=1x2g(x) = \frac{1}{x^2}g(x)=x21 is continuous at x=0x = 0x=0.
- Solve for the left-hand limit of h(x)=x+2h(x) = \sqrt{x + 2}h(x)=x+2 as xxx approaches -2.
Complete the above, save them into one .pdf, and upload them when complete.