Answer:
Geometric sequences <u><em>are</em></u> exponential functions
Step-by-step explanation:
Geometric sequences <u><em>are</em></u> exponential functions.
The general term of a geometric sequence is given by the exponential function ...
a[n] = a[1]·r^(n-1)
where a[1] is the first term and r is the common ratio.
You will notice that the independent variable (n) is in the exponent of this function. Hence it is an exponential function.
9514 1404 393
Answer:
38
Step-by-step explanation:
The recursion relation describes an arithmetic sequence with a first term of 2 and a common difference of 4. The explicit formula for the n-th term of the sequence is ...
f(n) = f(1) +d(n -1) . . . . . for first term f(1) and difference d
f(n) = 2 +4(n -1) = 4n -2
Then the 10th term is ...
f(10) = 4(10) -2
f(10) = 38
Answer:
The length of CD is 4 units
Step-by-step explanation:
Given the triangle ABC and if BC = 6 units and AD = 5 units
we have to find the length of DC.
In ΔABC and ΔBDC
∠ABC=∠BDC (each 90°)
BC=BC (common)
∠C=∠C (Common)
By ASA rule, ΔABC≈ΔBDC
Therefore their corresponding sides are in proportion
Let CD=x units
x=4, -9
Distance can't be negative therefore
The length of CD is 4 units
4(5x+25)
5(4x+20)
10(2x+10)
2(10x+50)
20(x+5)
hope this helps
Answer:
x=
32
7+
3121
,
32
7−
3121
Step-by-step explanation:
h+16^2-8x-48=0
-7x+16x^2-48=0
x=
32
7+
3121
,
32
7−
3121
