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Composite function and characteristics of a graph

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1. Given f(x) = 4x^2 - 3 and g(x) = 5 - 1/2x^2. Find the following expressions. Simplify your answer for all solutions.
(a) (f o g)(4)
(b) (g o f)(2)
(c) (f o f)(1)
(d) (g o g)(0)

2. For the given equation, list the intercepts and test for symmetry. x^2 + y - 16 = 0
A. What are the intercept(s)? Write as an ordered pair or there are no intercepts.
B. Is the graph of the equation symmetric with respect to the x-axis?
Is the graph of the equation symmetric with respect to the y-axis?
Is the graph of the equation symmetric with respect to the origin?

© BrainMass Inc. brainmass.com September 22, 2018, 3:22 pm ad1c9bdddf - https://brainmass.com/math/basic-algebra/composite-function-characteristics-graph-596613

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1.
F(x) = 4x^2 - 3
g(x) = 5 - x^2/2

a.
Fog(4) = F(g(4)) = F(5 - 4^2/2) = F(5 - 8) = F(-3) = 4*(-3)^2 - 3 = 33

b.
goF(2) ...

Solution Summary

In this solution, composite function values and characteristics of a graph for a given function are estimated.

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