Help from Xenobiz And Justin and Google
5*tanh(x)
5*sin(x)
5*cos(x)
5*log(x)-3
5*log(x)-.19
4*atan(x)
5*sgn(x)
5*log10(x)
5*(-2 / (1 + exp(x)) + 1)
5*(-2 / (1 + abs(x)) + 1)
5/ ((x^2)+1))
5 / (x)*(Sqrt((x^2)-1))
5*sin(x*pi*4)
5*tanh(x*pi*4)
5*sin(x*pi)
5*log(x*pi)-5
5*log10(x*pi)-5
5*cos(x*pi)
abs(-x)*2-1
abs(x)*2-1
5*abs(-x)/x
5*sgn(1-x)
5*asin(x/1.91)
 ( sgn(-x) + sgn (x) * abs(0.19* x)) * 5
4*log10(x)*0.98+1
log(-x)*2-1
( sin(-x) + sgn (x) * tanh(0.19* x)) * 5
( sin(-x) + abs (x) * tanh(1* x)) * 1
5*x-abs(x)^.573 *5* (x^.26)
x^2/pi
1.5*cos(x)*pi
3*sin(x*PI*8)
(x-1)*sin(x*PI*1.1)
log10 (x)*0.58+1
5*tanh(x*PI*6)
5*atan(x*PI*6)
2*x*(sin(x*PI*1.1))*0.5+0.5
3*x*(sin(x*PI*x))*0.5+0.5

some More refined may be duplicates Davidson Carpenter

5*x-abs(x)^.573 *5* (x^.26)
.4*sin(x*PI*8)
log10 (x)*0.58+1
1.1*tanh(x*PI*4)
.5*sgn(x*PI*4)
.9*abs(x*PI*4)
.35*cos(x*PI*4)
.35*sqrt(x*PI*4)
.4*atan(x*PI*4)
5*tanh(x)
5*sin(x)
4*atan(x)
5*(-2 / (1 + exp(x)) + 1)
1.1*sin(x*pi*4)
1.1*tanh(x*pi*4)
1.1*sin(x*pi)
5*asin(x/1.91)
( sin(-x) + sgn (x) * tanh(0.19* x)) * 5
( sin(-x) + abs (x) * tanh(1* x)) * 1
x^2*pi
1.1*tanh(x*PI*6)
.9*atan(x*PI*6)
2*x*(tanh(x*PI*1.1))*0.975+0.35
1.1*x*(abs(x*PI*PI))*0.85+0.5
.91*tan(x*PI*1.1)
log10 (x*PI)*0.58+1
.9*log10 (x*PI)*0.58+1
.65*asin(x*PI*4)



Duarte Vinagre Additions Thx
sin(20* acos(x/10))+(4*asin(x/10))
2*sin(4* atan(x/2))*(3*sinh(x/6))
sin(20* acos(x/5))+(2*asin(x/5))
2*sin(20* acos(x/10))*(4*asin(x/10))
sin(3*cos(x/2))*(3*asin(x/6))
2*cos(1* acos(x/PI))*(3*sin(x/PI))
cos(4*cosh(x/2.3))+(4*sinh(x/6))
asin(x/5)+(2*tanh(x/1))
x-(0.635*sin(x*pi))
3*(sin(x*1))
3*sgn(x)-1.275*sin(x*pi)
abs(x*2)-5
1.5 * x - 0.5 * x*x*x
5-0.5 * x * x
3*sin(x*pi)+(0.16*(sin(2*x*pi)+sin(3*x*pi)))
5*abs(x/5)
-1*(sgn(x)*0.5)+(abs(x)-3)
3*sgn(x)
3*cos(x*pi/2)*0.4*(3*sin(((x*1)+1)*1*x))
5*sin(x*pi*2)*cos(x*pi)
4*sin(pi*sgn(x)*(abs(x)^(((1-x)+0.1)*pi*pi)))
1.2*sin((2-(x/2))*x*1)/(x/((x/1)*(x/2)-2))
sqrt(x)*(((x/512)*(x+0.1)*512)%3)