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Question

Consider the function $y = e^x$. The slope of this function at $x = 10$ is

The correct answer is
$e^{10}$

Calculating the Slope of $y=e^x$ at $x=10$

The question asks for the slope of the function $y = e^x$ at the specific point $x = 10$. The slope of a function at any given point is found by calculating its derivative and evaluating it at that point.

Finding the Derivative

First, determine the derivative of the function $y = e^x$. The derivative of the natural exponential function $e^x$ with respect to $x$ is $e^x$.

The derivative is:

$ \frac{dy}{dx} = \frac{d}{dx}(e^x) = e^x $

Evaluating the Slope

Next, evaluate the derivative at the specified value $x = 10$. This gives the slope of the function at that point.

Slope $= \frac{dy}{dx}\Big|_{x=10} = e^{10}$

Result

Thus, the slope of the function $y = e^x$ when $x = 10$ is $e^{10}$.

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Important Questions from Functions Of Single Variable

  1. Let $f : R \to R$ be a twice-differentiable function and suppose its second derivative
    satisfies $f''(x) > 0$ for all $x \in R$. Which of the following statements is/are ALWAYS
    correct?
  2. The gradient of $y = 3x^2 \sin(2x)$ at (0.2, 1) is __________ (rounded off to three decimal places).
  3. If $y = x^x$, then $\frac{dy}{dx}$ is
  4. Given the function $$f(x) = |x| + |x - 1|,$$ For all the real values of x, which one of the following statements is CORRECT ?

  5. Given $x$ is real, identify all the even-functions among the following:
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