Write the quadratic function in vertex form.
f(x) = -4x^2 - 2x -3
a) f(x) = -4(x + 2)^2 - 3
b) f(x) = -4(x + 14)^2 - 11/4
c) f(x) = -4(x + 14)^2 - 15/4
d) f(x) = -4(x + 14)^2 - 41/16
no division

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

Lucy and donavan measured the length of the school garden. lucys measurement is 11.3m and donavans measurement is 113 cm. could both be correct? explain