Qamnty

My account
Edit my Profile
Private messages
My favorites

An exponential function f(x)=a⋅bx passes through the points (0, 4) and (2, 64). What are the values of a and b?

Ask a Question
Questions
Unanswered
Tags
Ask a Question

asked Dec 23, 2021 208k views

0 votes

An exponential function f(x)=a⋅bx passes through the points (0, 4) and (2, 64). What are the values of a and b?

Mathematics
middle-school

Shayne asked

by Shayne

7.3k points

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

6 votes

Answer:

a=b=4

Explanation:

$f(x) = a\cdot b^x\\f(0) = a = 4\\f(2) = 4b^(2) = 64 \rightarrow b = 4\\ f(x) = 4 \cdot 4^x$

Ebandersen answered Dec 29, 2021

by Ebandersen

8.1k points

0 Comments

Please log in or register to add a comment.

← Prev Question Next Question →

Related questions

asked Oct 10, 2024 113k views

Consider the three exponential functions f(x)=a⋅bxf(x)=a⋅bx, in red, g(x)=c⋅dxg(x)=c⋅dx, in blue, and h(x)=p⋅qxh(x)=p⋅qx, in green, graphed below where a,b,c,d,p,qa,b,c,d,p,q are constants. For each statement

Snea asked Oct 10, 2024

by Snea

8.5k points

Mathematics
high-school

2 answers

4 votes

113k views

asked Jun 7, 2023 223k views

The function f is defined by f(x)=50⋅3x. The function g is defined by g(x)=a⋅bx. The graphs of f and g are given below. How does a, from function g(x) compare to 50 from function f(x)?

Roberto Betancourt asked Jun 7, 2023

by Roberto Betancourt

8.6k points

Mathematics
college

1 answer

0 votes

223k views

Ask a Question

Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.

An exponential function f(x)=a⋅bx passes through the points (0, 4) and (2, 64). What are the values of a and b?

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

Please log in or register to add a comment.

Related questions

Categories

Other Questions