Which function represents a horizontal compression of an exponential function?

y = 2x

y = 3 times 2 Superscript x

y = 23x

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

Which part of a 2-column proof is the hypothesis of the conjecture? a) given b) reasons c) prove d) statements ! i think it's b but i'm not quite

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.