Given the graph of f in the following figures, find the slope of the secant line that passes through (0,0) and (h,f(h))in terms of h, for h>0 and h<0.

f(x)=x^1/3 <IMAGE>

검증된 단계별 안내

Step 1: Understand the problem. We need to find the slope of the secant line that passes through the points (0,0) and (h,f(h)) on the graph of the function f(x) = x^{1/3}. The slope of a secant line is given by the formula (f(h) - f(0)) / (h - 0).

Step 2: Calculate f(0). Since f(x) = x^{1/3}, we have f(0) = 0^{1/3} = 0.

Step 3: Calculate f(h). For the function f(x) = x^{1/3}, f(h) = h^{1/3}.

Step 4: Substitute f(0) and f(h) into the slope formula. The slope of the secant line is (h^{1/3} - 0) / (h - 0).

Step 5: Simplify the expression. The slope of the secant line is h^{1/3} / h, which can be further simplified to h^{-2/3} for h > 0 and h < 0.

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주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Secant Line

A secant line is a straight line that intersects a curve at two or more points. In calculus, it is often used to approximate the slope of the curve between those points. The slope of the secant line can be calculated using the formula (f(b) - f(a)) / (b - a), where a and b are the x-coordinates of the points on the curve.

Slope of a Function

The slope of a function at a given point represents the rate of change of the function's value with respect to changes in its input. For a secant line, the slope is determined by the difference in the function's values at two points divided by the difference in their x-coordinates. This concept is foundational for understanding derivatives, which represent instantaneous rates of change.

Cube Root Function

The cube root function, denoted as f(x) = x^(1/3), is a mathematical function that returns the number whose cube is x. This function is defined for all real numbers and has a characteristic shape, being continuous and increasing. Understanding its behavior, especially near the origin, is crucial for analyzing the secant line's slope as h approaches zero from both positive and negative directions.

Given the graph of f in the following figures, find the slope of the secant line that passes through (0,0) and (h,f(h))in terms of h, for h>0 and h<0.f(x)=x1/3 <IMAGE>