Ivy and Andrey were asked to find an explicit formula for the sequence [Math Processing Error]. Ivy said the formula is an=19−19n. Andrey said the formula is an=−19+19n. Who is correct?(1 point)
Responses
neither Ivy nor Andrey
neither Ivy nor Andrey
both Ivy and Andrey
both Ivy and Andrey
only Ivy
only Ivy
only Andrey
1 answer
only Andrey
1 answer