If y=15(1.08)12x is graphed in the xy-plane, which of the following characteristics of the graph is displayed as a constant or coefficient in the equation?Choose 1 answer:(A) x-intercept(B) y-intercept(C) Slope(D) The value y approaches as x increases
Q. If y=15(1.08)12x is graphed in the xy-plane, which of the following characteristics of the graph is displayed as a constant or coefficient in the equation?Choose 1 answer:(A) x-intercept(B) y-intercept(C) Slope(D) The value y approaches as x increases
Identifying Constants and Coefficients: We need to identify which characteristic of the graph is represented by a constant or coefficient in the given equation y=15(1.08)12x. Let's analyze the equation.
Meaning of Constant 'a': The equation is in the form y=a(b)cx, where a, b, and c are constants. In this case, a=15, b=1.08, and c=12. We need to determine what each of these constants represents in the graph.
Meaning of Constant 'b': The constant 'a' (which is 15 in this equation) represents the initial value of y when x is 0. This is because anything raised to the power of 0 is 1, so y=a(1) when x=0, which simplifies to y=a. Therefore, the constant 'a' represents the y-intercept of the graph.
Meaning of Constant 'c': The constant 'b' (which is 1.08 in this equation) represents the base of the exponential function. It affects the rate of growth or decay of the graph but does not directly represent a characteristic like the y-intercept, x-intercept, or slope.
X-Intercept and Exponential Functions: The constant c (which is 12 in this equation) is the coefficient of x in the exponent. It affects the rate at which the function grows or decays, but like b, it does not directly represent a characteristic like the y-intercept, x-intercept, or slope.
Slope of an Exponential Function: The x-intercept is the value of x when y=0. Since an exponential function like this one never touches the x-axis (assuming b>1, which it is in this case), the x-intercept is not represented by any constant or coefficient in the equation.
Horizontal Asymptote and Exponential Growth: The slope of an exponential function is not constant; it changes at every point on the graph. Therefore, it is not represented by a single constant or coefficient in the equation.
Horizontal Asymptote and Exponential Growth: The slope of an exponential function is not constant; it changes at every point on the graph. Therefore, it is not represented by a single constant or coefficient in the equation.The value y approaches as x increases is known as the horizontal asymptote. For exponential growth functions where b>1, y approaches infinity as x increases, and this behavior is not represented by a specific constant or coefficient in the equation.
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