Question

4(0) × 5(9) + 7! = ..
[tex] \\ \\ [/tex]
f(x) = 5x + √x × x!
f(4) = ..
[tex] \\ \\ [/tex]
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Answer 1

4(0) × 5(9) + 7!= 0 × 45 + 7!= 0 + 7!= 7!= 7 × 6 × 5 × 4 × 3 × 2 × 1= 42 × 20 × 6= 42 × 120= 5.040...f(x) = 5x + √x × x!f(4) = 5(4) + √4 × 4!f(4) = 20 + 2 × (4 × 3 × 2 × 1)f(4) = 20 + 2 × 24f(4) = 20 + 48f(4) = 68