Use function notation to represent the answer to the question, "When x = 10.3, x⁴ is how many times as large as x² - 3?"
a) f(10.3) = x⁴ / (x² - 3)
b) f(10.3) = x⁴ - x² + 3
c) f(10.3) = x⁴ + x² - 3
d) f(10.3) = (x⁴ - 3) / x²