If f(x)= ₁₀(1+x) , then what is 4 f(4)+5 f(1)- ₁₀ 2 equal to?

Step-by-step solution

f(x)= ₁₀(1+x) aligned & 4 f(4)+5 f(1)- ₁₀ 2 & =4 ₁₀(1+4)+5 ₁₀(1+1)- ₁₀ 2 & =4 ₁₀ 5+5 ₁₀ 2- ₁₀ 2 & =4 ₁₀ 5+4 ₁₀ 2 & =4 ( ₁₀ 5+ ₁₀ 2 ) & =4 ( ₁₀ 10 )=4 aligned