Given that f(a) = 2a + 3 and g(b) = -2 + 4b, find f(a) - g(b)

asked by guest
on Oct 25, 2024 at 5:15 am



You asked:

Given the following function definitions: \[\begin{aligned}f\left( a \right) &= 2 a + 3\\ g\left( b \right) &= -2 + 4 b\end{aligned}\] Evaluate \(f\left( a \right) - g\left( b \right)\).

MathBot Answer:

$$\begin{aligned}f\left( a \right) - g\left( b \right)&=2 a - 4 b + 5\end{aligned}$$

$$\begin{aligned}f\left( a \right) - g\left( b \right)&=-\left(-2 + 4 b\right) + 3 + 2 a\\f\left( a \right) - g\left( b \right)&=2 - 4 b + 3 + 2 a\\f\left( a \right) - g\left( b \right)&=2 a - 4 b + 5\\\end{aligned}$$

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