SAT Math - Exponential Growth and Decay

This video explains SAT Math problems involving exponential growth and decay. The graph and formula for exponential growth and decay 𝑦=𝑎(1+𝑟)^𝑥 and 𝑦=𝑎(1-𝑟)^𝑥 are examined and 5 questions from the Official SAT practice exams are solved and explained.

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[Marysiagold]

thank you so much!!! I have my sat in two days and the only questions I got wrong in math section were about exponential growth and decay, after your video I understand everything and I hope for 800. You're literally the best tutor on yt!

[Izumrudik_t]

Thank you so much for this wonderful video, you actually explained everything perfectly. you're one of the best tutors on YouTube I've ever seen, thanks a lot! have a great day

[mannananand]

Oh God. You saved me from flunking my coming SAT. Thank you so much for all the time and effort you have put in for us!

[zakhroaynakulova]

i thought i could never understand this theme, but it's pretty easy, thanx so much!

[TheRizwanShaik]

This was very helpful. Thank you! I'm glad i found your channel

[stephaniecardenas]

thank you so much this was extremely helpful !!

[gndora_yt]

thank you so much, it was really useful for me

[josefmiller]

This was so helpful! thank you so much

[sirisirisha]

What is the syllabus for Digital SAT?pls share it? Thanq

[alissarsalman]

I have a question for number 23 why was it A? Isn’t it supposed to be B because we multiply by the number of times the interest was compounded?

[abdullah-qwcf]

Can you please explain question 28, especifically the part were you said its t/20 rather than 20t.

[daphnnejuarez]

"and if you have a SAT coming up, good luck" *instantly drops a like*

[Rohit-mtoh]

In what sort of cases we use formula y= ax^t

[maxovicsteiner]

q = t/4, which means that we have to replace t by 4q not by q/4. And since they want it in terms of q, we have to distribute the exponent. (1.02)^4q = ((1.02)^4)^q = (1.082)^q, then the answer is D