write 𝑦 = 3cos (2 (𝑥 -45)) − 4 in mapping notation

Write the following quadratic function in vertex form. Write the mapping notation and describe any t...

convert to vertex form, write mapping notation 𝑦 =1/4𝑥^2 − 4𝑥 + 5

Write the mapping notation for the function. y = 4(x - 3)^2 - 51.