4 years ago

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

1 answer:

Flura [38]4 years ago

3 0

Answer:

a=b=4

Step-by-step explanation:

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

You might be interested in

Coyfishh wow coyfishh

Scilla [17]

Woah Coy-fish woah :):);$4&&2&2!:

7 0

3 years ago

Find the product of -7-i and its complex conjugate

Alchen [17]

Answer:

Step-by-step explanation:

$-7-i\\\\\text{complex conjugate:}\ -7+i\\\\(-7-i)(-7+i)\qquad\text{use}\ (a+b)(a-b)=a^2-b^2\\\\=(-7)^2-(i)^2\qquad\ i=\sqrt{-1}\to i^2=-1\\\\=49-(-1)\\\\=49+1\\\\=50$

8 0

3 years ago

For which equation would x = 3 be a solution?

frutty [35]

1. b , 2. A

this has toooo have 20 or more letters soooo i’m doing thissssss hiiiii

7 0

3 years ago

Area model division 246÷3

lord [1]

246 divided by 3 should equal 82

4 0

4 years ago

christopher has saved $40 toward the purchase of a new gaming system. If x is the amount he saves each month for six months, the

yan [13]

I'm assuming there is a typo in the question, and the expression is actually "6x+40". That expression factored is 2(3x+20).

5 0

3 years ago