Why doesnt this code display a basic wordpress settings page - php

Question

I am trying to create a wordpress settings page but the code wont display the content. Im no techy so answers must be as plain as possible. I generated the code and it seems to want to find an options page but I input all the code into the plugin page. Any guidance apreciated thanks.
<?php
/*
Plugin Name: Plugin Name
Plugin URI: http://www.domain.com
Description: Plugin description
Author: S. Hawkins
Version: 1.0
Author URI: http://www.domain.com
*/
add_action( 'admin_menu', 'sppf_add_admin_menu' );
add_action( 'admin_init', 'sppf_settings_init' );
function sppf_add_admin_menu( ) {
add_options_page( 'Power Funnels', 'Power Funnels', 'manage_options', 'power_funnels', 'power_funnels_options_page' );
}
function sppf_settings_init( ) {
register_setting( 'pluginPage', 'sppf_settings' );
add_settings_section(
'sppf_pluginPage_section',
__( 'Your section description', 'sppf' ),
'sppf_settings_section_callback',
'pluginPage'
);
add_settings_field(
'sppf_radio_field_0',
__( 'Settings field description', 'sppf' ),
'sppf_radio_field_0_render',
'pluginPage',
'sppf_pluginPage_section'
);
add_settings_field(
'sppf_checkbox_field_1',
__( 'Settings field description', 'sppf' ),
'sppf_checkbox_field_1_render',
'pluginPage',
'sppf_pluginPage_section'
);
add_settings_field(
'sppf_checkbox_field_2',
__( 'Settings field description', 'sppf' ),
'sppf_checkbox_field_2_render',
'pluginPage',
'sppf_pluginPage_section'
);
add_settings_field(
'sppf_select_field_3',
__( 'Settings field description', 'sppf' ),
'sppf_select_field_3_render',
'pluginPage',
'sppf_pluginPage_section'
);
add_settings_field(
'sppf_text_field_4',
__( 'Settings field description', 'sppf' ),
'sppf_text_field_4_render',
'pluginPage',
'sppf_pluginPage_section'
);
add_settings_field(
'sppf_textarea_field_5',
__( 'Settings field description', 'sppf' ),
'sppf_textarea_field_5_render',
'pluginPage',
'sppf_pluginPage_section'
);
}
function sppf_radio_field_0_render( ) {
$options = get_option( 'sppf_settings' );
?>
<input type='radio' name='sppf_settings[sppf_radio_field_0]' <?php checked( $options['sppf_radio_field_0'], 1 ); ?> value='1'>
<?php
}
function sppf_checkbox_field_1_render( ) {
$options = get_option( 'sppf_settings' );
?>
<input type='checkbox' name='sppf_settings[sppf_checkbox_field_1]' <?php checked( $options['sppf_checkbox_field_1'], 1 ); ?> value='1'>
<?php
}
function sppf_checkbox_field_2_render( ) {
$options = get_option( 'sppf_settings' );
?>
<input type='checkbox' name='sppf_settings[sppf_checkbox_field_2]' <?php checked( $options['sppf_checkbox_field_2'], 1 ); ?> value='1'>
<?php
}
function sppf_select_field_3_render( ) {
$options = get_option( 'sppf_settings' );
?>
<select name='sppf_settings[sppf_select_field_3]'>
<option value='1' <?php selected( $options['sppf_select_field_3'], 1 ); ?>Option 1</option>
<option value='2' <?php selected( $options['sppf_select_field_3'], 2 ); ?>Option 2</option>
</select>
<?php
}
function sppf_text_field_4_render( ) {
$options = get_option( 'sppf_settings' );
?>
<input type='text' name='sppf_settings[sppf_text_field_4]' value='<?php echo $options['sppf_text_field_4']; ?>'>
<?php
}
function sppf_textarea_field_5_render( ) {
$options = get_option( 'sppf_settings' );
?>
<textarea cols='40' rows='5' name='sppf_settings[sppf_textarea_field_5]'>
<?php echo $options['sppf_textarea_field_5']; ?>
</textarea>
<?php
}
function sppf_settings_section_callback( ) {
echo __( 'This section description', 'sppf' );
}
function sppf_options_page( ) {
?>
<form action='options.php' method='post'>
<h2>Power Funnels</h2>
<?php
settings_fields( 'pluginPage' );
do_settings_sections( 'pluginPage' );
submit_button();
?>
</form>
<?php
}
?>